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 6130-00-079-1269
NSN 5915-01-243-1841
NSN 5920-01-062-2209
NSN 2925-01-290-8208
NSN 6650-00-519-0973
NSN 6645-01-027-7042
NSN 5960-00-287-9932
NSN 5855-01-332-7594
NSN 5965-01-165-3002
NSN 5910-01-225-2536
NSN 6135-00-196-5267
NSN 5930-01-654-1868