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 5920-01-397-5598
NSN 6320-00-116-3658
NSN 5895-01-125-2219
NSN 5950-01-429-3376
NSN 5930-00-185-1410
NSN 6130-01-035-5467
NSN 5998-01-498-0149
NSN 5999-00-236-8148
NSN 6135-01-098-3020
NSN 6130-01-425-6463
NSN 5950-01-026-5962
NSN 5960-00-187-0429