A piece of transparent material specifically designed to be placed directly in front of a dial or scale to protect it from foreign matter. It is cut to size and may include a frame. It may have an index line or other marking. See also window, observation; and dial, scale.
Classification: Clock or watch glass; glasses for noncorrective spectagles not optically worked; hollow glass spheres and their segments for the mnfctr ofsuch glasses
NSN 6620-00-663-8962
NSN 5996-00-514-7678
NSN 5855-00-688-9954
NSN 5965-01-437-0905
NSN 5925-01-226-9493
NSN 5998-01-195-9094
NSN 6610-01-027-0087
NSN 5960-01-614-8005
NSN 5910-01-127-9059
NSN 6645-01-466-2083
NSN 5935-00-279-6952
NSN 5975-01-314-3782