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 5895-01-618-0241
NSN 6240-01-599-2679
NSN 5975-01-247-2305
NSN 5895-00-400-3349
NSN 5930-00-740-9384
NSN 5915-01-582-5096
NSN 2925-00-139-8309
NSN 5998-00-248-7472
NSN 6220-01-423-1451
NSN 5925-01-281-7511
NSN 6645-01-227-8212
NSN 5915-01-208-0657