Optical Instrument Window

Model / MPN: 265936PC1 | NSN: 1240-00-171-6771

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

1240-00-171-6771

Sold in multiples of

1 EA

DEMIL

DEMIL/MLI

Width

83.950 millimeters

Thickness

7.770 millimeters

Length

129.920 millimeters

Bevel Depth

Between 1.000 millimeters and 2.360 millimeters

Refraction Index

1.5235

Polished Surface

Both

Polished Periphery

Not provided

Bevel Angle In Deg

45.000

Material

Glass, optical, jan-g-174, type 518-596, grade c

Material

Glass, optical, jan-g-174, type 518-596, grade c

Fsc Application Data

Periscope mk28 mods 0 and 1

265936PC Series Parts

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Optical Instrument Window

Pricing and Availability

Certified Quality Assurance

265936PC1 Cross Reference