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 6220-01-136-0339
NSN 6135-00-686-4777
NSN 5920-01-371-3552
NSN 5985-01-113-7113
NSN 5905-01-184-5287
NSN 6620-01-528-1818
NSN 5855-00-688-9954
NSN 7035-01-386-5722
NSN 5965-00-757-3403
NSN 6110-00-760-6394
NSN 6150-01-232-9002
NSN 5945-01-469-7691