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 6130-00-933-9081
NSN 6685-00-975-0041
NSN 6145-01-456-2513
NSN 5855-01-033-1375
NSN 5835-01-529-3050
NSN 6685-01-329-1036
NSN 6650-01-399-4731
NSN 6145-01-095-8456
NSN 5925-00-162-1871
NSN 5905-00-480-8071
NSN 5910-01-455-4903
NSN 7035-01-585-5888