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 6220-01-115-5912
NSN 5996-01-207-0804
NSN 6220-00-316-2500
NSN 5950-00-623-8103
NSN 6110-01-494-4572
NSN 5965-01-250-3214
NSN 6320-01-607-1491
NSN 5895-00-071-9605
NSN 6135-01-252-0315
NSN 6620-01-101-4408
NSN 5965-01-155-8766
NSN 5920-01-655-1941