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 6130-00-558-6112
NSN 6110-01-139-6930
NSN 5895-01-208-5577
NSN 6135-00-182-7008
NSN 6610-01-555-8364
NSN 5835-01-392-7683
NSN 5960-00-289-6591
NSN 6650-01-576-4920
NSN 5985-01-132-7578
NSN 5960-01-599-9821
NSN 2925-01-415-2140
NSN 5990-01-480-9938