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 5950-01-168-8782
NSN 6645-01-069-3286
NSN 5920-01-511-1824
NSN 6130-01-359-2701
NSN 6650-00-707-1417
NSN 5998-01-145-8250
NSN 5925-01-152-4037
NSN 6105-01-364-6173
NSN 6135-00-078-9931
NSN 5985-00-912-4138
NSN 6150-01-304-9116
NSN 6105-00-148-8279