Transmittance 90% t avg 8.0 to 11.5 microns. Has mlar (multi-layer anti-reflection) coating.
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.
Classification: Military equipments not identified by kind
NSN 5998-01-446-4893
NSN 5855-00-763-2155
NSN 5920-00-881-6584
NSN 5935-01-447-3975
NSN 6135-01-122-4448
NSN 6145-00-101-9857
NSN 6320-01-578-6006
NSN 5960-01-111-9918
NSN 5998-00-533-6396
NSN 6220-01-159-0442
NSN 6610-01-334-5983
NSN 5915-01-260-6453