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NSN 6650-00-157-4145

NSN 6650-00-157-4145

Optical Instrument Lens

FSC: 6650 NIIN: 001574145

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Product Characteristics

NSN:

6650001574145

Demilitarization:

DEMIL/MLI

INC:

21884

Shelf Life:

N/A

Diameter:

22.0 millimeters

End Application:

Rangefinder mk42

Axial Thickness:

4.0 millimeters and 2.0 millimeters

Compound Lensaxial Thickness:

6.0 millimeters

Compound Lens Edge Thickness:

6.0 millimeters

Equivalent Focal Length:

19.532 centimeters

Back Focal Length:

19.330 centimeters

Front Focal Length:

19.327 centimeters

Refraction Index:

1.6170 and 1.5185

Abbe Constant:

36.600 and 59.500

Compound Lens Style:

Doublet

Individual Lens Style:

Double convex and meniscus diverging

Element Left Surface Radius:

168.1 millimeters and -48.9 millimeters

Element Right Surface Radius:

48.9 millimeters and 151.6 millimeters

Material:

Glass, optical

Material:

Glass optical

Part Numbers

203035PC12
NAVAL SEA SYSTEMS COMMAND
G8111PC12
KEUFFEL AND ESSER CO

Shipping & Handling

HMIRS:

No MSDS. No hazardous material.

ESD:

No known electrostatic discharge.

Schedule B:

9018500000 - Other ophthalmic instruments and appliances and parts and accessories.

Professional Distribution

ITAR Registered
DDTC Registered
HAZMAT Certified
AS9120 Quality Standards
100% Quality Inspections

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Cage Codes

NAVAL SEA SYSTEMS COMMAND - 53711

KEUFFEL AND ESSER CO - 74067