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 5998-01-182-2804
NSN 5965-01-537-5562
NSN 5985-00-848-7570
NSN 5945-00-491-9297
NSN 6130-00-150-2372
NSN 4140-01-587-5770
NSN 5996-01-406-9088
NSN 5960-01-617-6345
NSN 5935-00-157-1198
NSN 5920-01-653-6395
NSN 5945-01-366-0298
NSN 5999-00-101-7672