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 5920-00-064-3523
NSN 6130-01-487-3758
NSN 5925-01-423-7429
NSN 6145-00-949-5787
NSN 6130-01-641-0204
NSN 5960-00-539-2748
NSN 6645-00-483-1415
NSN 5905-01-183-9556
NSN 5975-01-505-3153
NSN 5945-00-383-5356
NSN 5960-01-390-7236
NSN 6645-01-367-7201