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5305-01-286-9185

20 Products

NAS1578V4R12

SCREW,CLOSE TOLERANCE

NSN, MFG P/N

5305012869185

NSN

5305-01-286-9185

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NAS1578V4R12

SCREW,CLOSE TOLERANCE

NSN, MFG P/N

5305012869185

NSN

5305-01-286-9185

MFG

NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC

Description

FASTENER LENGTH: 1.138 INCHES MINIMUM AND 1.168 INCHES MAXIMUM
GRIP DIAMETER: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
GRIP LENGTH: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
HEAD DIAMETER: 0.477 INCHES MINIMUM AND 0.492 INCHES MAXIMUM
HEAD HEIGHT: 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM
HEAD STYLE: C32 PAN
INTERNAL DRIVE STYLE: D25 TORQUE-SET RIBBED
MATERIAL: TITANIUM ALLOY UNS R56400 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MINIMUM TENSILE STRENGTH: 160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER: 0.250 INCHES
SPECIFICATION/STANDARD DATA: 80205-NAS1578 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SURFACE FINISH: 32.0 MICROINCHES BEARING SURFACE OF HEAD 32.0 MICROINCHES GRIP 32.0 MICROINCHES THREADS
THREAD CLASS: 3A
THREAD DIRECTION: RIGHT-HAND
THREAD LENGTH: 0.378 INCHES MINIMUM AND 0.428 INCHES MAXIMUM
THREAD QUANTITY PER INCH: 28
THREAD SERIES DESIGNATOR: UNJF

904E839ITEM17

SCREW,CAP,SOCKET HEAD

NSN, MFG P/N

5305012869223

NSN

5305-01-286-9223

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904E839ITEM17

SCREW,CAP,SOCKET HEAD

NSN, MFG P/N

5305012869223

NSN

5305-01-286-9223

MFG

WESTINGHOUSE ELECTRIC CORP BETTIS ATOMIC POWER LABORATORY

Description

CRITICALITY CODE JUSTIFICATION: ZZZY
DESIGN CONTROL REFERENCE: 981B598ITEM1
MANUFACTURERS CODE: 94259
NOMINAL THREAD DIAMETER: 0.375 INCHES
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
SPECIAL FEATURES: MATL-SILICON BRONZE
THE MANUFACTURERS DATA:
THREAD CLASS: 2A
THREAD DIRECTION: RIGHT-HAND
THREAD LENGTH: 0.500 INCHES NOMINAL
THREAD QUANTITY PER INCH: 16
THREAD SERIES DESIGNATOR: UNC

981B598ITEM1

SCREW,CAP,SOCKET HEAD

NSN, MFG P/N

5305012869223

NSN

5305-01-286-9223

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981B598ITEM1

SCREW,CAP,SOCKET HEAD

NSN, MFG P/N

5305012869223

NSN

5305-01-286-9223

MFG

WESTINGHOUSE ELECTRIC CORP BETTIS ATOMIC POWER LABORATORY

Description

CRITICALITY CODE JUSTIFICATION: ZZZY
DESIGN CONTROL REFERENCE: 981B598ITEM1
MANUFACTURERS CODE: 94259
NOMINAL THREAD DIAMETER: 0.375 INCHES
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
SPECIAL FEATURES: MATL-SILICON BRONZE
THE MANUFACTURERS DATA:
THREAD CLASS: 2A
THREAD DIRECTION: RIGHT-HAND
THREAD LENGTH: 0.500 INCHES NOMINAL
THREAD QUANTITY PER INCH: 16
THREAD SERIES DESIGNATOR: UNC

258E685PC3

SCREW,CAP,SOCKET HEAD

NSN, MFG P/N

5305012869224

NSN

5305-01-286-9224

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258E685PC3

SCREW,CAP,SOCKET HEAD

NSN, MFG P/N

5305012869224

NSN

5305-01-286-9224

MFG

KAPL INC DBA KNOLLS ATOMIC POWER LABORATORY

Description

CRITICALITY CODE JUSTIFICATION: ZZZY
DESIGN CONTROL REFERENCE: 258E685PC3
MANUFACTURERS CODE: 04241
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
THE MANUFACTURERS DATA:

258E487PC11

SCREW,CAP,HEXAGON HEAD

NSN, MFG P/N

5305012869225

NSN

5305-01-286-9225

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258E487PC11

SCREW,CAP,HEXAGON HEAD

NSN, MFG P/N

5305012869225

NSN

5305-01-286-9225

MFG

KAPL INC DBA KNOLLS ATOMIC POWER LABORATORY

Description

CRITICALITY CODE JUSTIFICATION: ZZZY
DESIGN CONTROL REFERENCE: 258E487PC11
MANUFACTURERS CODE: 04241
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS

258E487PC11

SCREW,CAP,HEXAGON HEAD

NSN, MFG P/N

5305012869225

NSN

5305-01-286-9225

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258E487PC11

SCREW,CAP,HEXAGON HEAD

NSN, MFG P/N

5305012869225

NSN

5305-01-286-9225

MFG

KAPL INC DBA KNOLLS ATOMIC POWER LABORATORY

Description

CRITICALITY CODE JUSTIFICATION: ZZZY
DESIGN CONTROL REFERENCE: 258E487PC11
MANUFACTURERS CODE: 04241
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS

258E487PC13

SCREW,CAP,HEXAGON HEAD

NSN, MFG P/N

5305012869226

NSN

5305-01-286-9226

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258E487PC13

SCREW,CAP,HEXAGON HEAD

NSN, MFG P/N

5305012869226

NSN

5305-01-286-9226

MFG

KAPL INC DBA KNOLLS ATOMIC POWER LABORATORY

Description

CRITICALITY CODE JUSTIFICATION: ZZZY
DESIGN CONTROL REFERENCE: 258E487PC13
MANUFACTURERS CODE: 04241
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS

258E487PC13

SCREW,CAP,HEXAGON HEAD

NSN, MFG P/N

5305012869226

NSN

5305-01-286-9226

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258E487PC13

SCREW,CAP,HEXAGON HEAD

NSN, MFG P/N

5305012869226

NSN

5305-01-286-9226

MFG

KAPL INC DBA KNOLLS ATOMIC POWER LABORATORY

Description

CRITICALITY CODE JUSTIFICATION: ZZZY
DESIGN CONTROL REFERENCE: 258E487PC13
MANUFACTURERS CODE: 04241
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS

114B8986PC1

STOP SCREW SPECIAL

NSN, MFG P/N

5305012869260

NSN

5305-01-286-9260

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114B8986PC1

STOP SCREW SPECIAL

NSN, MFG P/N

5305012869260

NSN

5305-01-286-9260

MFG

KAPL INC DBA KNOLLS ATOMIC POWER LABORATORY

Description

CRITICALITY CODE JUSTIFICATION: ZZZY
DESIGN CONTROL REFERENCE: 114B8986PC1
MANUFACTURERS CODE: 04241
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
THE MANUFACTURERS DATA:

L-20958-4PC166

STOP SCREW SPECIAL

NSN, MFG P/N

5305012869260

NSN

5305-01-286-9260

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L-20958-4PC166

STOP SCREW SPECIAL

NSN, MFG P/N

5305012869260

NSN

5305-01-286-9260

MFG

URS ENERGY & CONSTRUCTION INC. DBA URS DIV DEFENSE BUSINESS UNIT-AFCAP/DENVER

Description

CRITICALITY CODE JUSTIFICATION: ZZZY
DESIGN CONTROL REFERENCE: 114B8986PC1
MANUFACTURERS CODE: 04241
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
THE MANUFACTURERS DATA:

8T5070

SETSCREW

NSN, MFG P/N

5305012869332

NSN

5305-01-286-9332

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8T5070

SETSCREW

NSN, MFG P/N

5305012869332

NSN

5305-01-286-9332

MFG

CATERPILLAR INC. DBA CATERPILLAR DIV GOVERNMENTAL AND DEFENSE PRODUCTS

LD111-0047-2403

SCREW,CLOSE TOLERANCE

NSN, MFG P/N

5305012869333

NSN

5305-01-286-9333

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LD111-0047-2403

SCREW,CLOSE TOLERANCE

NSN, MFG P/N

5305012869333

NSN

5305-01-286-9333

MFG

BOEING COMPANY THE DBA BOEING

Description

COUNTERSINK ANGLE: 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH: 0.570 INCHES MINIMUM AND 0.600 INCHES MAXIMUM
GRIP DIAMETER: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
GRIP LENGTH: 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM
HEAD DIAMETER: 0.355 INCHES MINIMUM AND 0.397 INCHES MAXIMUM
HEAD HEIGHT: 0.057 INCHES MINIMUM AND 0.063 INCHES MAXIMUM
HEAD STYLE: C55 OVAL COUNTERSUNK UNDERCUT
INTERNAL DRIVE STYLE: D8 OFF-SET CRUCIFORM (TORQUE SET)
MATERIAL: STEEL COMP XM-13 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER: 0.250 INCHES
SURFACE TREATMENT: PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD CLASS: 3A
THREAD DIRECTION: RIGHT-HAND
THREAD LENGTH: 0.372 INCHES MINIMUM AND 0.422 INCHES MAXIMUM
THREAD QUANTITY PER INCH: 28
THREAD SERIES DESIGNATOR: UNJF

12310212-3

SCREW,MACHINE

NSN, MFG P/N

5305012869488

NSN

5305-01-286-9488

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12310212-3

SCREW,MACHINE

NSN, MFG P/N

5305012869488

NSN

5305-01-286-9488

MFG

U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

Description

FASTENER LENGTH: 0.220 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
HEAD STYLE: A33 FILLISTER
HEAD SURFACE TREATMENT: SILVER
III END ITEM IDENTIFICATION: M981 SERIES VEHICLES
INTERNAL DRIVE STYLE: B10 SLOT
SCREW SURFACE TREATMENT: SILVER

90275A148

SCREW,MACHINE

NSN, MFG P/N

5305012869780

NSN

5305-01-286-9780

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90275A148

SCREW,MACHINE

NSN, MFG P/N

5305012869780

NSN

5305-01-286-9780

Description

COUNTERSINK ANGLE: 82.0 DEGREES NOMINAL
FASTENER LENGTH: 0.500 INCHES NOMINAL
HEAD DIAMETER: 0.244 INCHES MINIMUM AND 0.279 INCHES MAXIMUM
HEAD STYLE: A39 FLAT COUNTERSUNK
INTERNAL DRIVE STYLE: B10 SLOT
NOMINAL THREAD DIAMETER: 0.138 INCHES
SCREW MATERIAL: STEEL
SCREW SURFACE TREATMENT: ZINC AND CHROMATE
THREAD CLASS: 2A
THREAD DIRECTION: RIGHT-HAND
THREAD LENGTH: 0.355 INCHES MINIMUM AND 0.417 INCHES MAXIMUM
THREAD QUANTITY PER INCH: 32
THREAD SERIES DESIGNATOR: UNC

FF-S-86

SCREW,CAP,SOCKET HEAD

NSN, MFG P/N

5305012869781

NSN

5305-01-286-9781

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FF-S-86

SCREW,CAP,SOCKET HEAD

NSN, MFG P/N

5305012869781

NSN

5305-01-286-9781

MFG

FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC

Description

DEFINITIVE GOVERNMENT SPEC/STD REFERENCE: MS16998-50L
FASTENER LENGTH: 2.210 INCHES MINIMUM AND 2.250 INCHES MAXIMUM
HARDNESS RATING: 39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM FASTENER
HEAD DIAMETER: 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD HEIGHT: 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
HEAD STYLE: C49 FLAT CHAMFER
INTERNAL DRIVE STYLE: D5 HEXAGON
LOCKING FEATURE: PATCH OR STRIP THREADS
MANUFACTURERS CODE: 81348
MANUFACTURERS CODE: 96906
MATERIAL: PLASTIC POLYAMIDE LOCKING FEATURE STEEL FASTENER
MINIMUM TENSILE STRENGTH: 160000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH: 155000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER: 0.250 INCHES
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE: FF-S-86
NONDEFINITIVE SPEC/STD DATA: 6 TYPE
SPEC/STD CONTROLLING DATA:
SURFACE TREATMENT: CADMIUM AND CHROMATE FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OR MIL-C-81562 TY 2 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE FASTENER
THREAD CLASS: 3A
THREAD DIRECTION: RIGHT-HAND
THREAD LENGTH: 1.210 INCHES MINIMUM AND 1.500 INCHES MAXIMUM
THREAD QUANTITY PER INCH: 28
THREAD SERIES DESIGNATOR: UNF
WIDTH ACROSS FLATS: 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM

MS16998-50L

SCREW,CAP,SOCKET HEAD

NSN, MFG P/N

5305012869781

NSN

5305-01-286-9781

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MS16998-50L

SCREW,CAP,SOCKET HEAD

NSN, MFG P/N

5305012869781

NSN

5305-01-286-9781

MFG

MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Description

DEFINITIVE GOVERNMENT SPEC/STD REFERENCE: MS16998-50L
FASTENER LENGTH: 2.210 INCHES MINIMUM AND 2.250 INCHES MAXIMUM
HARDNESS RATING: 39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM FASTENER
HEAD DIAMETER: 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD HEIGHT: 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
HEAD STYLE: C49 FLAT CHAMFER
INTERNAL DRIVE STYLE: D5 HEXAGON
LOCKING FEATURE: PATCH OR STRIP THREADS
MANUFACTURERS CODE: 81348
MANUFACTURERS CODE: 96906
MATERIAL: PLASTIC POLYAMIDE LOCKING FEATURE STEEL FASTENER
MINIMUM TENSILE STRENGTH: 160000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH: 155000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER: 0.250 INCHES
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE: FF-S-86
NONDEFINITIVE SPEC/STD DATA: 6 TYPE
SPEC/STD CONTROLLING DATA:
SURFACE TREATMENT: CADMIUM AND CHROMATE FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OR MIL-C-81562 TY 2 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE FASTENER
THREAD CLASS: 3A
THREAD DIRECTION: RIGHT-HAND
THREAD LENGTH: 1.210 INCHES MINIMUM AND 1.500 INCHES MAXIMUM
THREAD QUANTITY PER INCH: 28
THREAD SERIES DESIGNATOR: UNF
WIDTH ACROSS FLATS: 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM

82038

SCREW,CAP,SOCKET HEAD

NSN, MFG P/N

5305012869783

NSN

5305-01-286-9783

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82038

SCREW,CAP,SOCKET HEAD

NSN, MFG P/N

5305012869783

NSN

5305-01-286-9783

MFG

BARRETT FIREARMS USA INC.

Description

COLOR: BLACK OVERALL
DESIGN CONTROL REFERENCE: 82038
FASTENER LENGTH: 0.375 INCHES NOMINAL
HARDNESS RATING: 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER: 0.312 INCHES NOMINAL
HEAD STYLE: C66 KNURLED NO. 1
INTERNAL DRIVE STYLE: D5 HEXAGON
MANUFACTURERS CODE: 0BT64
MATERIAL: STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: SAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MINIMUM TENSILE STRENGTH: 180000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER: 0.190 INCHES
SURFACE TREATMENT: OXIDE OVERALL
THE MANUFACTURERS DATA:
THREAD CLASS: 3A
THREAD DIRECTION: RIGHT-HAND
THREAD LENGTH: 0.313 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
THREAD QUANTITY PER INCH: 32
THREAD SERIES DESIGNATOR: UNF
WIDTH ACROSS FLATS: 0.156 INCHES NOMINAL

91252A240

SCREW,CAP,SOCKET HEAD

NSN, MFG P/N

5305012869783

NSN

5305-01-286-9783

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91252A240

SCREW,CAP,SOCKET HEAD

NSN, MFG P/N

5305012869783

NSN

5305-01-286-9783

Description

COLOR: BLACK OVERALL
DESIGN CONTROL REFERENCE: 82038
FASTENER LENGTH: 0.375 INCHES NOMINAL
HARDNESS RATING: 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER: 0.312 INCHES NOMINAL
HEAD STYLE: C66 KNURLED NO. 1
INTERNAL DRIVE STYLE: D5 HEXAGON
MANUFACTURERS CODE: 0BT64
MATERIAL: STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: SAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MINIMUM TENSILE STRENGTH: 180000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER: 0.190 INCHES
SURFACE TREATMENT: OXIDE OVERALL
THE MANUFACTURERS DATA:
THREAD CLASS: 3A
THREAD DIRECTION: RIGHT-HAND
THREAD LENGTH: 0.313 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
THREAD QUANTITY PER INCH: 32
THREAD SERIES DESIGNATOR: UNF
WIDTH ACROSS FLATS: 0.156 INCHES NOMINAL

16990-4F-16C

SCREW,CAP,SOCKET HEAD

NSN, MFG P/N

5305012869784

NSN

5305-01-286-9784

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16990-4F-16C

SCREW,CAP,SOCKET HEAD

NSN, MFG P/N

5305012869784

NSN

5305-01-286-9784

MFG

SPS TECHNOLOGIES LLC DBA AEROSPACE DIVISION DIV AEROSPACE PRODUCTS

Description

COUNTERSINK ANGLE: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
FASTENER LENGTH: 0.970 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
HARDNESS RATING: 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER: 0.480 INCHES MINIMUM AND 0.531 INCHES MAXIMUM
HEAD STYLE: C50 FLAT COUNTERSUNK
INTERNAL DRIVE STYLE: D5 HEXAGON
MATERIAL: STEEL OVERALL
MINIMUM TENSILE STRENGTH: 160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER: 0.250 INCHES
SURFACE TREATMENT: CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD CLASS: 3A
THREAD DIRECTION: RIGHT-HAND
THREAD LENGTH: 0.737 INCHES MINIMUM AND 0.838 INCHES MAXIMUM
THREAD QUANTITY PER INCH: 28
THREAD SERIES DESIGNATOR: UNRF
WIDTH ACROSS FLATS: 0.156 INCHES NOMINAL

8644505-03

SCREW,CAP,SOCKET HEAD

NSN, MFG P/N

5305012869784

NSN

5305-01-286-9784

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8644505-03

SCREW,CAP,SOCKET HEAD

NSN, MFG P/N

5305012869784

NSN

5305-01-286-9784

MFG

AIR ARMAMENT CENTER/ EN

Description

COUNTERSINK ANGLE: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
FASTENER LENGTH: 0.970 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
HARDNESS RATING: 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER: 0.480 INCHES MINIMUM AND 0.531 INCHES MAXIMUM
HEAD STYLE: C50 FLAT COUNTERSUNK
INTERNAL DRIVE STYLE: D5 HEXAGON
MATERIAL: STEEL OVERALL
MINIMUM TENSILE STRENGTH: 160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER: 0.250 INCHES
SURFACE TREATMENT: CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD CLASS: 3A
THREAD DIRECTION: RIGHT-HAND
THREAD LENGTH: 0.737 INCHES MINIMUM AND 0.838 INCHES MAXIMUM
THREAD QUANTITY PER INCH: 28
THREAD SERIES DESIGNATOR: UNRF
WIDTH ACROSS FLATS: 0.156 INCHES NOMINAL