Optical Instrument Window

Model / MPN: 7645552 | NSN: 1240-00-864-2936

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

1240-00-864-2936

Sold in multiples of

1 EA

DEMIL

DEMIL/MLI

Diameter

Between 1.740 inches and 1.745 inches

Thickness

Between 0.240 inches and 0.250 inches

Surface Finish

Ground and polished

Bevel Depth

Between 0.020 inches and 0.030 inches

Polished Surface

Both

Polished Periphery

Provided

Bevel Angle In Deg

Between 42.000 and 48.000

Material

Glass, optical, mil-g-174, grade d, type 523-586

Material

Glass, optical, mil-g-174, grade d, type 523-586

76455 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
Worldwide Shipping

Optical Instrument Window

Pricing and Availability

Certified Quality Assurance

7645552 Cross Reference