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 6145-01-519-8210
NSN 5945-00-644-9181
NSN 6105-00-995-4528
NSN 5905-01-468-5149
NSN 6685-01-324-7920
NSN 5930-01-262-7600
NSN 6220-00-498-0992
NSN 5920-01-244-9996
NSN 2925-00-096-5526
NSN 5950-01-519-0835
NSN 4140-01-143-3520
NSN 6220-01-634-0660