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 5985-00-285-8466
NSN 6685-01-202-1315
NSN 5920-01-645-8052
NSN 5895-01-065-6087
NSN 5975-01-640-8658
NSN 2925-01-430-4206
NSN 5930-01-028-8486
NSN 6645-01-589-8406
NSN 5965-01-476-0721
NSN 5915-01-475-9711
NSN 6320-01-512-2031
NSN 6240-01-411-5630