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 5990-01-231-1214
NSN 5960-01-383-6262
NSN 5930-00-894-8005
NSN 5895-01-214-6032
NSN 4140-01-432-1447
NSN 5855-00-411-8688
NSN 6220-00-021-9040
NSN 5925-01-409-2616
NSN 6150-00-050-6832
NSN 6610-00-803-4374
NSN 6685-00-578-0974
NSN 5998-00-686-2152