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 5975-01-514-7605
NSN 6110-01-508-6563
NSN 5950-01-280-5469
NSN 5905-01-231-4442
NSN 5910-01-245-9735
NSN 6105-01-583-9027
NSN 6145-00-800-0126
NSN 5985-01-508-4398
NSN 6135-00-500-0085
NSN 7035-01-432-2424
NSN 5895-00-050-2044
NSN 6150-01-071-1143