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 5855-00-532-0025
NSN 6610-01-351-4607
NSN 5945-00-875-1535
NSN 5990-01-463-5400
NSN 5960-01-229-6324
NSN 7035-01-119-6271
NSN 6105-01-312-3618
NSN 5950-01-258-8894
NSN 5930-01-557-9333
NSN 5975-01-400-0627
NSN 5925-01-433-9512
NSN 5998-01-415-9121