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 6320-00-701-0437
NSN 6645-01-505-5772
NSN 5985-01-423-0914
NSN 5910-00-584-6484
NSN 4140-01-585-9196
NSN 6135-00-968-8594
NSN 6320-00-857-4073
NSN 5905-01-153-0076
NSN 6130-00-889-1207
NSN 4140-00-361-4691
NSN 6150-01-141-7749
NSN 5965-01-469-0053