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 6150-01-407-7095
NSN 2925-01-121-0761
NSN 5950-00-370-0091
NSN 5920-01-229-8645
NSN 7035-01-658-1623
NSN 5925-01-186-2228
NSN 6610-00-906-0821
NSN 6145-00-232-0813
NSN 5996-01-365-8034
NSN 6685-01-426-8929
NSN 5975-01-134-5123
NSN 5950-00-359-9607