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 6610-00-382-0266
NSN 5920-01-534-6064
NSN 5996-01-576-8172
NSN 5985-01-516-1218
NSN 5910-00-738-4534
NSN 6320-00-483-0451
NSN 6610-00-394-1427
NSN 5990-00-524-2293
NSN 6610-01-241-9120
NSN 6645-01-602-8275
NSN 5915-01-411-6202
NSN 5998-01-408-5421