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278702PC11

Optical Instrument Lens

Model / MPN: 278702PC11 | NSN: 6650-00-026-8135

An unmounted, transparent, color free lens which may be treated with a low reflection coating to increase light transmission. Includes single and compound elements. For items having two plane parallel surfaces, see window, optical instrument. Excludes reticle, optical instrument.

Product Details

NATO Stock Number

6650-00-026-8135

Sold in multiples of

1 EA

DEMIL

DEMIL/MLI

Diameter

2.283 inches

Axial Thickness

0.345 inches and 0.276 inches

Compound Lensaxial Thickness

0.622 inches

Compound Lens Edge Thickness

0.577 inches

Equivalent Focal Length

27.562 inches

Back Focal Length

27.169 inches

Front Focal Length

27.559 inches

Refraction Index

1.5170 and 1.6170

Abbe Constant

64.500 and 36.600

Compound Lens Style

Doublet

Individual Lens Style

Double convex and meniscus diverging

Element Left Surface Radius

-11.681 inches and 13.078 inches

Element Right Surface Radius

-11.681 inches and 116.157 inches

Material

Glass, optical, jan-g-174, grade c

Material

Glass, optical, jan-g-174, grade c

Fsc Application Data

Fire control, range finder mk 37 mod 5

278702PC Series Parts

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
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278702PC11 Cross Reference

278702PC11