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 7035-01-588-5092
NSN 5895-00-150-7072
NSN 4140-01-551-1125
NSN 7035-01-204-7481
NSN 6610-00-484-2662
NSN 4140-01-034-1135
NSN 6105-00-469-6998
NSN 6130-01-067-8107
NSN 6105-01-322-4613
NSN 5996-00-929-2216
NSN 6685-01-026-0111
NSN 5835-00-785-7921