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 6620-01-207-0667
NSN 6240-01-531-3422
NSN 5985-01-499-9733
NSN 5998-00-934-9941
NSN 6645-01-138-3855
NSN 5998-00-413-6506
NSN 5985-01-269-8285
NSN 6620-00-225-4870
NSN 2925-01-243-0328
NSN 5835-00-690-8898
NSN 6110-01-170-1298
NSN 2925-01-226-6126