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 5945-01-085-4215
NSN 5985-01-574-0945
NSN 5915-01-416-8249
NSN 5930-01-421-1538
NSN 6610-01-122-0064
NSN 4140-01-151-7049
NSN 5999-01-237-1910
NSN 5905-00-679-9550
NSN 5910-01-144-4732
NSN 5950-01-119-4201
NSN 6130-01-546-0883
NSN 7035-01-183-1989