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 5950-01-196-5715
NSN 6650-01-501-2807
NSN 5965-00-236-0016
NSN 6645-01-089-5522
NSN 6645-01-379-4520
NSN 6320-01-054-3046
NSN 6240-01-077-1127
NSN 6110-01-030-2512
NSN 5965-01-349-9029
NSN 2925-01-076-6128
NSN 6135-01-184-0727
NSN 6645-01-532-7059