Optical Instrument Window

Model / MPN: 278694PC15 | NSN: 1240-00-382-1278

A color free item of transparent or translucent material, usually optical glass, having specific light dispersive and refractive properties. This item must have two plane-parallel surfaces and is designed for use in an optical instrument to provide a barrier to foreign matter and/or permit light transmission in or to the optical system.

Product Details

NATO Stock Number

1240-00-382-1278

Sold in multiples of

1 EA

DEMIL

DEMIL/MLI

Diameter

16.000 millimeters

Thickness

1.600 millimeters

Surface Finish

Ground

Bevel Depth

0.900 millimeters

Refraction Index

1.5230

Polished Surface

One

Dispersion

58.6 angstroms

Diffusion Producing Surface

One

Polished Periphery

Not provided

Bevel Angle In Deg

45.000

Material

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

Material

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

Fsc Application Data

Rangefinder, fire control

278694PC Series Parts

Pricing and Availability

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278694PC15 Cross Reference

278694PC15