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 5925-01-647-9186
NSN 5990-01-386-3040
NSN 7035-01-477-9028
NSN 5930-01-439-8287
NSN 2925-00-513-6644
NSN 6620-01-352-5640
NSN 5855-00-962-5792
NSN 5990-01-411-8548
NSN 6105-00-435-2713
NSN 5920-01-487-6419
NSN 5975-00-308-5138
NSN 5910-01-065-0711