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278694PC13

Optical Instrument Lens

Model / MPN: 278694PC13 | NSN: 6650-00-155-1710

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

6650-00-155-1710

Sold in multiples of

1 EA

DEMIL

DEMIL/MLI

Diameter

0.590 inches

Axial Thickness

0.118 inches and 0.059 inches

Compound Lensaxial Thickness

0.177 inches

Compound Lens Edge Thickness

0.156 inches

Equivalent Focal Length

4.204 inches

Back Focal Length

4.165 inches

Front Focal Length

4.133 inches

Refraction Index

1.5720 and 1.6170

Abbe Constant

57.400 and 36.600

Compound Lens Style

Doublet

Individual Lens Style

Double convex and meniscus diverging

Element Left Surface Radius

-1.283 inches and 3.449 inches

Element Right Surface Radius

-1.283 inches and -5.724 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 57

278694PC 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
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100% Product Inspections
7 Year Record Retention
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HAZMAT Certified
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278694PC13 Cross Reference

278694PC13