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 5960-01-411-5899
NSN 6620-01-614-9337
NSN 6150-01-297-8127
NSN 4140-00-946-1283
NSN 2925-01-464-3093
NSN 6150-01-474-5523
NSN 6110-01-383-3914
NSN 5985-00-244-1693
NSN 5925-01-056-5127
NSN 5910-00-236-3165
NSN 5975-01-212-8047
NSN 2925-00-120-9302