Heat treated
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 2925-00-504-2363
NSN 2925-01-257-0695
NSN 5935-01-646-1712
NSN 5835-00-740-0246
NSN 5835-01-041-0873
NSN 6320-01-476-7476
NSN 6220-01-415-3350
NSN 6145-01-350-4677
NSN 6135-00-284-1406
NSN 5925-01-397-1460
NSN 6685-01-415-0972
NSN 5975-01-050-5225