A cylindrical item specifically designed to hold a lens, reticle, or window in an optical system. Includes eccentric cells and/or rings designed to be rotated within the instrument to shift an optical element to a prescribed position.
Classification: Military equipments not identified by kind
NSN 5915-00-518-0851
NSN 6105-00-983-8440
NSN 5965-01-457-9410
NSN 6645-01-032-5337
NSN 5999-01-519-6397
NSN 2925-01-276-6100
NSN 6650-01-180-2173
NSN 6145-01-457-1082
NSN 6130-01-650-5408
NSN 6650-01-442-7893
NSN 5925-00-153-7864
NSN 5835-01-629-2044