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 6220-01-460-0180
NSN 6645-00-171-9639
NSN 6645-01-442-0899
NSN 5915-01-093-9511
NSN 6645-00-964-3020
NSN 5905-01-123-6345
NSN 5998-00-160-9821
NSN 6685-00-282-6873
NSN 5930-01-054-7424
NSN 5855-01-157-3093
NSN 6145-00-144-0918
NSN 5910-01-142-2688