Light deviation in any meridian not to exceed 2 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 5905-00-054-4421
NSN 5915-01-379-5024
NSN 5835-00-833-7080
NSN 5895-01-445-7204
NSN 6150-01-347-6876
NSN 6130-01-026-0603
NSN 6150-01-551-6125
NSN 5930-01-485-3309
NSN 6150-01-559-4969
NSN 5920-01-533-9613
NSN 5960-01-077-4553
NSN 5945-01-479-8579