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 5905-01-501-6363
NSN 7035-01-265-0216
NSN 5965-00-739-2063
NSN 5930-01-457-7931
NSN 5999-01-341-4088
NSN 5920-01-116-4236
NSN 5996-01-221-5371
NSN 6685-01-408-5553
NSN 6130-01-212-9077
NSN 5975-01-421-3976
NSN 5975-01-398-7337
NSN 5975-00-428-1683