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 6610-01-316-8902
NSN 2925-00-373-8837
NSN 6645-00-130-8464
NSN 5975-00-959-6187
NSN 6685-01-025-1587
NSN 5835-01-128-9331
NSN 5905-00-197-7674
NSN 7035-00-465-3298
NSN 6240-01-372-5894
NSN 6610-01-174-6820
NSN 6110-01-140-9671
NSN 6145-01-562-8763