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 5975-00-452-6206
NSN 6150-01-190-0624
NSN 5960-01-575-7818
NSN 5985-01-128-7134
NSN 6220-01-578-5868
NSN 5999-01-323-0904
NSN 5835-01-221-0451
NSN 6130-01-524-8030
NSN 5998-00-348-8544
NSN 5965-01-265-6814
NSN 5990-00-351-5479
NSN 6110-00-367-2427