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 5960-01-477-7632
NSN 5996-00-098-3864
NSN 6105-00-441-4847
NSN 5998-01-469-6983
NSN 5925-01-423-7429
NSN 5945-00-845-1670
NSN 5990-01-595-9441
NSN 6240-00-022-9023
NSN 5990-01-609-4793
NSN 6685-00-596-8765
NSN 5965-01-378-7335
NSN 5965-01-176-7265