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 5960-01-215-0992
NSN 6240-01-007-7987
NSN 5960-01-410-8177
NSN 5965-01-351-6977
NSN 6685-00-306-5604
NSN 5990-01-581-5103
NSN 6620-01-659-1256
NSN 6130-01-126-7032
NSN 6240-00-244-0483
NSN 6135-01-496-2352
NSN 6320-01-249-3236
NSN 6130-01-113-8777