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 5895-01-305-8330
NSN 6220-01-013-4559
NSN 5965-00-015-7408
NSN 6685-00-230-4267
NSN 6150-01-115-8426
NSN 5998-01-502-4873
NSN 6620-00-876-0776
NSN 6240-00-935-7058
NSN 6645-01-453-6184
NSN 5960-01-075-7732
NSN 5930-01-463-2304
NSN 5905-00-584-4517