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 7035-01-056-9392
NSN 5935-01-146-4363
NSN 6110-01-415-6545
NSN 6650-01-328-5135
NSN 6220-00-055-5498
NSN 5985-01-197-9918
NSN 5950-00-558-7958
NSN 5910-01-392-9984
NSN 6150-01-158-6152
NSN 5960-00-953-6840
NSN 5855-00-763-2155
NSN 7035-00-931-9415