Optical Instrument Window

Model / MPN: 1240003021401 | NSN: 1240-00-302-1401

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

1240-00-302-1401

Sold in multiples of

1 EA

DEMIL

DEMIL/MLI

Diameter

35.560 millimeters

Thickness

3.810 millimeters

Bevel Depth

0.5000 millimeters

Refraction Index

1.5170

Polished Surface

Both

Dispersion

64.5 angstroms

Polished Periphery

Not provided

Bevel Angle In Deg

45.000

Material

Glass, optical, jan-g-174, type 517-645, grade b

Material

Glass, optical, jan-g-174, type 517-645, grade b

Fsc Application Data

Finder, range, t46e1, integrated with fire control equipment

12400 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

1240003021401 Cross Reference

8200995