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 6220-01-373-4016
NSN 5965-01-375-0816
NSN 5998-00-494-5620
NSN 5996-00-259-0309
NSN 5960-00-959-5226
NSN 6685-01-310-7193
NSN 6685-01-609-7280
NSN 6620-00-787-6683
NSN 4140-01-519-8910
NSN 5975-01-360-0627
NSN 5895-01-208-1855
NSN 6220-01-594-3563