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 6645-01-633-1852
NSN 5998-00-063-3373
NSN 6110-00-927-5436
NSN 5930-01-107-6498
NSN 5945-00-122-3251
NSN 7035-00-155-9513
NSN 5999-00-468-4150
NSN 5996-01-429-5712
NSN 5905-01-462-6284
NSN 5925-01-123-2829
NSN 6685-01-464-4272
NSN 6685-01-010-3176