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 6110-01-033-9485
NSN 5960-01-597-9591
NSN 5905-01-130-3975
NSN 7035-01-591-4367
NSN 5895-01-065-2336
NSN 4140-01-261-2966
NSN 5996-01-156-7498
NSN 6320-01-392-6922
NSN 6135-01-563-4445
NSN 6145-01-113-8205
NSN 5905-00-701-5298
NSN 6645-01-200-3577