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6650-00-382-0944

20 Products

230934PC4

PRISM,OPTICAL INSTRUMENT

NSN, MFG P/N

6650003820944

NSN

6650-00-382-0944

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230934PC4

PRISM,OPTICAL INSTRUMENT

NSN, MFG P/N

6650003820944

NSN

6650-00-382-0944

MFG

NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER

Description

DESIGN CONTROL REFERENCE: 230934PC4
III FSC APPLICATION DATA: FIRE CONTROL TELESCOPE MK 69
LIGHT DEVIATION: 0 DEG
MANUFACTURERS CODE: 10001
MATERIAL: GLASS, OPTICAL, JAN-G-174, GRADE A
STYLE DESIGNATOR: G5 RHOMBOIDAL
THE MANUFACTURERS DATA:

176020PC6

LENS,OPTICAL INSTRUMENT

NSN, MFG P/N

6650003820616

NSN

6650-00-382-0616

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176020PC6

LENS,OPTICAL INSTRUMENT

NSN, MFG P/N

6650003820616

NSN

6650-00-382-0616

MFG

NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER

Description

AXIAL THICKNESS: 1.5 MILLIMETERS MINIMUM AND 1.6 MILLIMETERS MAXIMUM
COMPOUND LENS EDGE THICKNESS: 3.0 MILLIMETERS NOMINAL
COMPOUND LENS OVERALL AXIAL THICKNESS: 3.1 MILLIMETERS NOMINAL
COMPOUND LENS STYLE: E2 DIALYTE
DIAMETER: 14.0 MILLIMETERS NOMINAL
ELEMENT LEFT SURFACE RADIUS: 57.2 MILLIMETERS AND 51.0 MILLIMETERS
ELEMENT RIGHT SURFACE RADIUS: 51.0 MILLIMETERS AND 0.0 MILLIMETERS
INDIVIDUAL LENS STYLE: D1 DOUBLE CONVEX AND D5 PLANO-CONCAVE
MATERIAL: GLASS, OPTICAL, JAN-G-174

176149PC27

LENS,OPTICAL INSTRUMENT

NSN, MFG P/N

6650003820626

NSN

6650-00-382-0626

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176149PC27

LENS,OPTICAL INSTRUMENT

NSN, MFG P/N

6650003820626

NSN

6650-00-382-0626

MFG

NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER

Description

ABBE CONSTANT: 57.400 AND 32.400 AND 58.400
AXIAL THICKNESS: 11.7 MILLIMETERS NOMINAL AND 1.6 MILLIMETERS NOMINAL AND 4.0 MILLIMETERS NOMINAL
COMPOUND LENS EDGE THICKNESS: 12.0 MILLIMETERS NOMINAL
COMPOUND LENS OVERALL AXIAL THICKNESS: 17.3 MILLIMETERS NOMINAL
COMPOUND LENS STYLE: E3 TRIPLET
DIAMETER: 30.0 MILLIMETERS NOMINAL
ELEMENT LEFT SURFACE RADIUS: 22.9 MILLIMETERS AND -27.8 MILLIMETERS AND 14.5 MILLIMETERS
ELEMENT RIGHT SURFACE RADIUS: 27.8 MILLIMETERS AND -14.5 MILLIMETERS AND -57.0 MILLIMETERS
INDIVIDUAL LENS STYLE: D1 DOUBLE CONVEX AND D4 DOUBLE CONCAVE AND D7 MENISCUS
MATERIAL: GLASS, OPTICAL
REFRACTION INDEX: 1.5725 NOMINAL AND 1.6660 NOMINAL AND 1.5250 NOMINAL

176445PC21

LENS,OPTICAL INSTRUMENT

NSN, MFG P/N

6650003820650

NSN

6650-00-382-0650

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176445PC21

LENS,OPTICAL INSTRUMENT

NSN, MFG P/N

6650003820650

NSN

6650-00-382-0650

MFG

NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER

Description

ABBE CONSTANT: 34.000 AND 57.500
AXIAL THICKNESS: 0.078 INCHES NOMINAL AND 0.031 INCHES NOMINAL
BACK FOCAL LENGTH: 2.338 INCHES
COMPOUND LENS EDGE THICKNESS: 0.167 INCHES NOMINAL
COMPOUND LENS OVERALL AXIAL THICKNESS: 0.110 INCHES NOMINAL
COMPOUND LENS STYLE: E1 DOUBLET
DESIGN CONTROL REFERENCE: 176445PC21
DIAMETER: 0.708 INCHES NOMINAL
ELEMENT LEFT SURFACE RADIUS: -1.216 INCHES
ELEMENT RIGHT SURFACE RADIUS: -1.216 INCHES AND 1.219 INCHES
EQUIVALENT FOCAL LENGTH: 2.224 INCHES
FRONT FOCAL LENGTH: 2.241 INCHES
III FSC APPLICATION DATA: FIRE CONTROL,RANGE FINDER MK 45
INDIVIDUAL LENS STYLE: D2 PLANO-CONVEX AND D4 DOUBLE CONCAVE
MANUFACTURERS CODE: 10001
MATERIAL: GLASS, OPTICAL, JAN-G-174, GRADE C
REFRACTION INDEX: 1.6460 NOMINAL AND 1.5720 NOMINAL
THE MANUFACTURERS DATA:

176445PC23

LENS,OPTICAL INSTRUMENT

NSN, MFG P/N

6650003820652

NSN

6650-00-382-0652

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176445PC23

LENS,OPTICAL INSTRUMENT

NSN, MFG P/N

6650003820652

NSN

6650-00-382-0652

MFG

NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER

Description

ABBE CONSTANT: 37.400
AXIAL THICKNESS: 4.1 MILLIMETERS NOMINAL
BACK FOCAL LENGTH: 2.787 CENTIMETERS
DIAMETER: 20.8 MILLIMETERS NOMINAL
ELEMENT LEFT SURFACE RADIUS: 0.0 MILLIMETERS
ELEMENT RIGHT SURFACE RADIUS: 17.5 MILLIMETERS
EQUIVALENT FOCAL LENGTH: 3.048 CENTIMETERS
FRONT FOCAL LENGTH: 3.048 CENTIMETERS
MATERIAL: GLASS, OPTICAL
REFRACTION INDEX: 1.5726 NOMINAL
SINGLE LENS STYLE: D2 PLANO-CONVEX

176445PC24

LENS,OPTICAL INSTRUMENT

NSN, MFG P/N

6650003820653

NSN

6650-00-382-0653

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176445PC24

LENS,OPTICAL INSTRUMENT

NSN, MFG P/N

6650003820653

NSN

6650-00-382-0653

MFG

NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER

Description

ABBE CONSTANT: 64.4000 AND 34.0000
AXIAL THICKNESS: 2.6 MILLIMETERS NOMINAL AND 1.0 MILLIMETERS NOMINAL
BACK FOCAL LENGTH: 3.044 CENTIMETERS
COMPOUND LENS EDGE THICKNESS: 2.5 MILLIMETERS NOMINAL
COMPOUND LENS OVERALL AXIAL THICKNESS: 3.6 MILLIMETERS NOMINAL
COMPOUND LENS STYLE: E1 DOUBLET
DIAMETER: 21.0 MILLIMETERS NOMINAL
ELEMENT LEFT SURFACE RADIUS: 20.2 MILLIMETERS AND -14.0 MILLIMETERS
ELEMENT RIGHT SURFACE RADIUS: 14.0 MILLIMETERS AND 0.0 MILLIMETERS
EQUIVALENT FOCAL LENGTH: 3.978 CENTIMETERS
FRONT FOCAL LENGTH: 6.338 CENTIMETERS
INDIVIDUAL LENS STYLE: D1 DOUBLE CONVEX AND D5 PLANO-CONCAVE
MATERIAL: GLASS, OPTICAL
REFRACTION INDEX: 1.5170 NOMINAL AND 1.6463 NOMINAL

176445PC25

LENS,OPTICAL INSTRUMENT

NSN, MFG P/N

6650003820654

NSN

6650-00-382-0654

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176445PC25

LENS,OPTICAL INSTRUMENT

NSN, MFG P/N

6650003820654

NSN

6650-00-382-0654

MFG

NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER

Description

ABBE CONSTANT: 55.2000 AND 36.7000
AXIAL THICKNESS: 1.0 MILLIMETERS NOMINAL AND 2.0 MILLIMETERS NOMINAL
BACK FOCAL LENGTH: 19.720 CENTIMETERS
COMPOUND LENS EDGE THICKNESS: 3.0 MILLIMETERS NOMINAL
COMPOUND LENS OVERALL AXIAL THICKNESS: 3.0 MILLIMETERS NOMINAL
COMPOUND LENS STYLE: E1 DOUBLET
DIAMETER: 16.0 MILLIMETERS NOMINAL
ELEMENT LEFT SURFACE RADIUS: 0.0 MILLIMETERS AND 10.0 MILLIMETERS
ELEMENT RIGHT SURFACE RADIUS: -10.0 MILLIMETERS AND 12.2 MILLIMETERS
EQUIVALENT FOCAL LENGTH: 19.720 CENTIMETERS
FRONT FOCAL LENGTH: 19.540 CENTIMETERS
INDIVIDUAL LENS STYLE: D1 DOUBLE CONVEX AND D5 PLANO-CONCAVE
MATERIAL: GLASS, OPTICAL
REFRACTION INDEX: 1.6152 NOMINAL AND 1.6167 NOMINAL

176446PC1

RETICLE,OPTICAL INSTRUMENT

NSN, MFG P/N

6650003820655

NSN

6650-00-382-0655

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176446PC1

RETICLE,OPTICAL INSTRUMENT

NSN, MFG P/N

6650003820655

NSN

6650-00-382-0655

MFG

NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER

Description

(NON-CORE DATA) EDGE THICKNESS: 4.0 MILLIMETERS NOMINAL
AXIAL THICKNESS: 4.0 MILLIMETERS NOMINAL
DIAMETER: 138.0 MILLIMETERS NOMINAL
DISPERSION: 58.4 ANGSTROMS NOMINAL
END ITEM IDENTIFICATION: RANGEFINDER MK45
GRADUATIONS/MARKINGS: RANGE SCALE
MATERIAL: GLASS
REFRACTION INDEX: 1.5230 NOMINAL
RIM FINISH: GROUND
STYLE DESIGNATOR: A1 CROSSLINE

176709PC6

LENS SET,OPTICAL IN

NSN, MFG P/N

6650003820663

NSN

6650-00-382-0663

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176709PC6

LENS SET,OPTICAL IN

NSN, MFG P/N

6650003820663

NSN

6650-00-382-0663

MFG

NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER

Description

GENERAL CHARACTERISTICS ITEM DESCRIPTION: OPTICAL GLASS JAN-G-174; LENS SET WITH FOUR LENSES; LENSE 1 AND 4 DOUBLE CONVEX,13.0 MM DIA,AXIAL THICKNESS 3.9 MM,REFRACTION INDEX 1.5170 NOMINAL,ABBE CONSTANT 64.500; LENSE 2 DOUBLE CONCAVE,13.0 MM DIA,AXIAL THICKNESS 1.5 MM,REFRACTION INDEX 1.6170
III END ITEM IDENTIFICATION: RANGEFINDER MK42
~1: NOMINAL,ABBE CONSTANT 55.000; LENSE 3 MENISCUS,13.0 MM DIA,AXIAL THICKNESS 5.0 MM,REFRACTION INDEX 1.6170 NOMINAL,ABBE CONSTANT 36.600; OVERALL AXIAL THICKNESS 14.3 MM,ELEMENT LEFT SURFACE RADIUS 24.8,18.4 AND 13.6 MM,ELEMENT RIGHT SURFACE RADIUS
~2: 13.6,18.4 AND 24.8 MM; LENSE 1 BEVELED 0.7 MM 45 DEG,LENSE 4 BEVELED 0.5 MM 45 DEG

203035PC13

LENS,OPTICAL INSTRUMENT

NSN, MFG P/N

6650003820793

NSN

6650-00-382-0793

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203035PC13

LENS,OPTICAL INSTRUMENT

NSN, MFG P/N

6650003820793

NSN

6650-00-382-0793

MFG

NAVAL SEA SYSTEMS COMMAND

Description

ABBE CONSTANT: 36.800 AND 58.700
AXIAL THICKNESS: 2.0 MILLIMETERS NOMINAL AND 4.0 MILLIMETERS NOMINAL
BACK FOCAL LENGTH: 45.980 CENTIMETERS
COMPOUND LENS EDGE THICKNESS: 6.0 MILLIMETERS NOMINAL
COMPOUND LENS OVERALL AXIAL THICKNESS: 6.0 MILLIMETERS NOMINAL
COMPOUND LENS STYLE: E1 DOUBLET
DIAMETER: 22.0 MILLIMETERS NOMINAL
ELEMENT LEFT SURFACE RADIUS: 359.9 MILLIMETERS AND 116.4 MILLIMETERS
ELEMENT RIGHT SURFACE RADIUS: 116.4 MILLIMETERS AND 400.1 MILLIMETERS
EQUIVALENT FOCAL LENGTH: 46.194 CENTIMETERS
FRONT FOCAL LENGTH: 46.010 CENTIMETERS
INDIVIDUAL LENS STYLE: D7 MENISCUS AND D1 DOUBLE CONVEX
MATERIAL: GLASS
REFRACTION INDEX: 1.6158 NOMINAL AND 1.5183 NOMINAL

G8111PC13

LENS,OPTICAL INSTRUMENT

NSN, MFG P/N

6650003820793

NSN

6650-00-382-0793

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G8111PC13

LENS,OPTICAL INSTRUMENT

NSN, MFG P/N

6650003820793

NSN

6650-00-382-0793

MFG

KEUFFEL AND ESSER CO

Description

ABBE CONSTANT: 36.800 AND 58.700
AXIAL THICKNESS: 2.0 MILLIMETERS NOMINAL AND 4.0 MILLIMETERS NOMINAL
BACK FOCAL LENGTH: 45.980 CENTIMETERS
COMPOUND LENS EDGE THICKNESS: 6.0 MILLIMETERS NOMINAL
COMPOUND LENS OVERALL AXIAL THICKNESS: 6.0 MILLIMETERS NOMINAL
COMPOUND LENS STYLE: E1 DOUBLET
DIAMETER: 22.0 MILLIMETERS NOMINAL
ELEMENT LEFT SURFACE RADIUS: 359.9 MILLIMETERS AND 116.4 MILLIMETERS
ELEMENT RIGHT SURFACE RADIUS: 116.4 MILLIMETERS AND 400.1 MILLIMETERS
EQUIVALENT FOCAL LENGTH: 46.194 CENTIMETERS
FRONT FOCAL LENGTH: 46.010 CENTIMETERS
INDIVIDUAL LENS STYLE: D7 MENISCUS AND D1 DOUBLE CONVEX
MATERIAL: GLASS
REFRACTION INDEX: 1.6158 NOMINAL AND 1.5183 NOMINAL

215292PC4

RING,SEPARATOR

NSN, MFG P/N

6650003820802

NSN

6650-00-382-0802

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215292PC4

RING,SEPARATOR

NSN, MFG P/N

6650003820802

NSN

6650-00-382-0802

MFG

NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER

217426PC4

RETICLE,OPTICAL INSTRUMENT

NSN, MFG P/N

6650003820830

NSN

6650-00-382-0830

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217426PC4

RETICLE,OPTICAL INSTRUMENT

NSN, MFG P/N

6650003820830

NSN

6650-00-382-0830

MFG

NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER

Description

(NON-CORE DATA) EDGE THICKNESS: 0.1181 INCHES NOMINAL
ANGLE IN DEG: 45.0
AXIAL THICKNESS: 0.2756 INCHES NOMINAL
CONVEX SURFACE RADIUS: 2.5591 INCHES
DESIGN CONTROL REFERENCE: 217426PC4
DIAMETER: 1.5748 INCHES NOMINAL
DISPERSION: 64.3 ANGSTROMS NOMINAL
FSC APPLICATION DATA: FIRE CONTROL,TELESCOPE MK 66
GRADUATIONS/MARKINGS: CROSS LINE
MANUFACTURERS CODE: 10001
MATERIAL: GLASS OPTICAL
REFRACTION INDEX: 1.5171 NOMINAL
RIM FINISH: GROUND
SPECIAL FEATURES: 0.0197 IN. BEVEL DEPTH
STYLE DESIGNATOR: A1 CROSSLINE
SUPPLEMENTARY FEATURES: MATERIAL OPTICAL GLASS PER JAN-G-174, GRADE C
THE MANUFACTURERS DATA:

217426PC8

PRISM,OPTICAL INSTRUMENT

NSN, MFG P/N

6650003820832

NSN

6650-00-382-0832

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217426PC8

PRISM,OPTICAL INSTRUMENT

NSN, MFG P/N

6650003820832

NSN

6650-00-382-0832

MFG

NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER

Description

DESIGN CONTROL REFERENCE: 217426PC8
III FSC APPLICATION DATA: FIRE CONTROL TELESCOPE MK 66
LIGHT DEVIATION: 90 DEG
MANUFACTURERS CODE: 10001
MATERIAL: GLASS, OPTICAL, JAN-G-174, GRADE A
STYLE DESIGNATOR: G4 ROOF-ANGLE
THE MANUFACTURERS DATA:

3000081

PRISM,OPTICAL INSTRUMENT

NSN, MFG P/N

6650003820832

NSN

6650-00-382-0832

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3000081

PRISM,OPTICAL INSTRUMENT

NSN, MFG P/N

6650003820832

NSN

6650-00-382-0832

MFG

NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER

Description

DESIGN CONTROL REFERENCE: 217426PC8
III FSC APPLICATION DATA: FIRE CONTROL TELESCOPE MK 66
LIGHT DEVIATION: 90 DEG
MANUFACTURERS CODE: 10001
MATERIAL: GLASS, OPTICAL, JAN-G-174, GRADE A
STYLE DESIGNATOR: G4 ROOF-ANGLE
THE MANUFACTURERS DATA:

217455PC2

PRISM,OPTICAL INSTRUMENT

NSN, MFG P/N

6650003820835

NSN

6650-00-382-0835

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217455PC2

PRISM,OPTICAL INSTRUMENT

NSN, MFG P/N

6650003820835

NSN

6650-00-382-0835

MFG

NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER

Description

DESIGN CONTROL REFERENCE: 217455PC2
III FSC APPLICATION DATA: FIRE CONTROL TELESCOPE MK67
LIGHT DEVIATION: 90
MANUFACTURERS CODE: 10001
MATERIAL: GLASS, OPTICAL, JAN-G-174, GRADE A
STYLE DESIGNATOR: G4 ROOF-ANGLE
THE MANUFACTURERS DATA:

217455PC8

PRISM,OPTICAL INSTRUMENT

NSN, MFG P/N

6650003820837

NSN

6650-00-382-0837

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217455PC8

PRISM,OPTICAL INSTRUMENT

NSN, MFG P/N

6650003820837

NSN

6650-00-382-0837

MFG

NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER

Description

DESIGN CONTROL REFERENCE: 217455PC8
LIGHT DEVIATION: 90 DEG
MANUFACTURERS CODE: 10001
MATERIAL: GLASS, OPTICAL, JAN-G-174, GRADE A
STYLE DESIGNATOR: G4 ROOF-ANGLE
THE MANUFACTURERS DATA:

220588PC6

PRISM,OPTICAL INSTRUMENT

NSN, MFG P/N

6650003820923

NSN

6650-00-382-0923

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220588PC6

PRISM,OPTICAL INSTRUMENT

NSN, MFG P/N

6650003820923

NSN

6650-00-382-0923

MFG

NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER

Description

DESIGN CONTROL REFERENCE: 220588PC6
III FSC APPLICATION DATA: FIRE CONTROL RANGEFINDER MK 42 MOD 6
LIGHT DEVIATION: 90
MANUFACTURERS CODE: 10001
MATERIAL: GLASS, OPTICAL, JAN-G-174, GRADE A
STYLE DESIGNATOR: G4 ROOF-ANGLE
THE MANUFACTURERS DATA:

220588PC8

LENS,OPTICAL INSTRUMENT

NSN, MFG P/N

6650003820924

NSN

6650-00-382-0924

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220588PC8

LENS,OPTICAL INSTRUMENT

NSN, MFG P/N

6650003820924

NSN

6650-00-382-0924

MFG

NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER

Description

ABBE CONSTANT: 36.800 AND 51.200
AXIAL THICKNESS: 2.0 MILLIMETERS NOMINAL AND 4.0 MILLIMETERS NOMINAL
BACK FOCAL LENGTH: 87.500 CENTIMETERS
COMPOUND LENS EDGE THICKNESS: 5.0 MILLIMETERS NOMINAL
COMPOUND LENS OVERALL AXIAL THICKNESS: 6.0 MILLIMETERS NOMINAL
COMPOUND LENS STYLE: E1 DOUBLET
DIAMETER: 17.0 MILLIMETERS NOMINAL
ELEMENT LEFT SURFACE RADIUS: -154.0 MILLIMETERS AND 18.9 MILLIMETERS
ELEMENT RIGHT SURFACE RADIUS: -18.9 MILLIMETERS AND 47.6 MILLIMETERS
EQUIVALENT FOCAL LENGTH: 87.480 CENTIMETERS
FRONT FOCAL LENGTH: 84.560 CENTIMETERS
III END ITEM IDENTIFICATION: RANGEFINDER MK42
INDIVIDUAL LENS STYLE: D4 DOUBLE CONCAVE AND D1 DOUBLE CONVEX
MATERIAL: GLASS, BARIUM FLINT
REFRACTION INDEX: 1.6158 NOMINAL AND 1.5408 NOMINAL

G8840PC8

LENS,OPTICAL INSTRUMENT

NSN, MFG P/N

6650003820924

NSN

6650-00-382-0924

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G8840PC8

LENS,OPTICAL INSTRUMENT

NSN, MFG P/N

6650003820924

NSN

6650-00-382-0924

MFG

KEUFFEL AND ESSER CO LSE OPNS

Description

ABBE CONSTANT: 36.800 AND 51.200
AXIAL THICKNESS: 2.0 MILLIMETERS NOMINAL AND 4.0 MILLIMETERS NOMINAL
BACK FOCAL LENGTH: 87.500 CENTIMETERS
COMPOUND LENS EDGE THICKNESS: 5.0 MILLIMETERS NOMINAL
COMPOUND LENS OVERALL AXIAL THICKNESS: 6.0 MILLIMETERS NOMINAL
COMPOUND LENS STYLE: E1 DOUBLET
DIAMETER: 17.0 MILLIMETERS NOMINAL
ELEMENT LEFT SURFACE RADIUS: -154.0 MILLIMETERS AND 18.9 MILLIMETERS
ELEMENT RIGHT SURFACE RADIUS: -18.9 MILLIMETERS AND 47.6 MILLIMETERS
EQUIVALENT FOCAL LENGTH: 87.480 CENTIMETERS
FRONT FOCAL LENGTH: 84.560 CENTIMETERS
III END ITEM IDENTIFICATION: RANGEFINDER MK42
INDIVIDUAL LENS STYLE: D4 DOUBLE CONCAVE AND D1 DOUBLE CONVEX
MATERIAL: GLASS, BARIUM FLINT
REFRACTION INDEX: 1.6158 NOMINAL AND 1.5408 NOMINAL