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 6220-00-707-5044
NSN 6685-01-081-7522
NSN 6130-00-543-1302
NSN 5915-01-089-7930
NSN 5930-01-367-2520
NSN 6685-01-140-6696
NSN 6135-00-942-7970
NSN 6610-00-835-0248
NSN 5925-01-139-0882
NSN 6220-00-790-9574
NSN 5975-00-030-3026
NSN 5920-01-014-3939