Weapon system essential
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 6610-01-530-5623
NSN 5990-00-269-2226
NSN 5915-01-079-1450
NSN 5920-01-285-8497
NSN 6610-01-244-7192
NSN 5999-00-081-0305
NSN 5965-01-431-9723
NSN 6610-01-502-7106
NSN 5910-01-422-4924
NSN 5960-01-268-8674
NSN 5920-01-088-8312
NSN 6240-00-989-4398