Light deviation not to exceed 5 min of arc and surface quali type 80-50
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 6105-01-032-4228
NSN 5945-00-222-4736
NSN 6110-01-133-8343
NSN 5930-01-605-1821
NSN 5950-01-424-5533
NSN 6145-00-419-3836
NSN 6130-00-647-8471
NSN 5935-01-403-2844
NSN 5999-01-120-6354
NSN 2925-00-394-2332
NSN 5945-01-276-1087
NSN 5950-00-358-1140