Additional material is zinc sulfiide
No other part numbers with same form, fit, and function found.
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 6645-00-287-9192
NSN 6620-01-567-9933
NSN 5965-01-093-0642
NSN 6130-01-445-9895
NSN 5950-00-243-3076
NSN 4140-01-289-1264
NSN 5910-01-010-3356
NSN 6645-00-106-0140
NSN 5920-00-686-2671
NSN 7035-01-317-4227
NSN 5920-00-953-5037
NSN 6220-01-291-0448