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 6110-01-626-4290
NSN 6685-00-740-7256
NSN 6135-01-116-3385
NSN 6320-00-788-5297
NSN 6135-00-152-8729
NSN 6135-01-324-7718
NSN 6620-01-333-0406
NSN 6240-00-311-6180
NSN 2925-01-592-3907
NSN 6105-00-812-0505
NSN 6240-01-262-5787
NSN 5915-01-556-9188