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 5915-01-418-0265
NSN 5999-01-252-0043
NSN 5985-01-352-4730
NSN 5910-00-049-3914
NSN 6610-01-112-0447
NSN 5996-00-706-9390
NSN 6645-00-736-0476
NSN 5920-01-297-4395
NSN 5965-01-542-8510
NSN 5998-00-051-3987
NSN 5975-01-025-5794
NSN 6650-01-375-0507