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 5998-01-201-8250
NSN 5925-00-840-5393
NSN 5999-01-440-9537
NSN 6650-01-495-1269
NSN 5905-00-067-9609
NSN 5965-01-578-5085
NSN 5895-01-476-2326
NSN 2925-00-247-6248
NSN 5895-01-198-7499
NSN 5905-00-959-2806
NSN 6685-01-300-2630
NSN 5930-01-514-9893