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 6135-00-756-6149
NSN 2925-01-406-9844
NSN 6240-01-025-5847
NSN 6150-01-157-1476
NSN 5905-00-185-7276
NSN 5998-01-382-8149
NSN 6320-00-937-5625
NSN 5910-00-080-9843
NSN 5996-00-141-0288
NSN 5905-01-605-4254
NSN 6620-00-627-3688
NSN 6220-01-159-6204