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 6135-01-136-1059
NSN 6610-01-383-7419
NSN 5990-01-354-4812
NSN 5985-00-383-3310
NSN 5855-01-657-7657
NSN 6130-01-142-9063
NSN 6650-00-436-3531
NSN 6220-01-305-3880
NSN 6685-00-558-0856
NSN 6145-01-072-3352
NSN 2925-00-684-7708
NSN 6620-00-079-0311