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 5910-00-649-5179
NSN 5930-00-285-6542
NSN 5930-01-170-4356
NSN 5960-00-367-3735
NSN 6130-00-403-0209
NSN 6620-01-241-9088
NSN 5925-01-244-4011
NSN 7035-01-602-9350
NSN 5930-01-130-8254
NSN 6135-00-223-9563
NSN 6220-00-635-8818
NSN 6240-00-504-6583