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 5950-01-535-7276
NSN 5998-01-592-8937
NSN 6645-00-269-2764
NSN 7035-00-275-5604
NSN 5998-01-068-3923
NSN 6645-00-313-2324
NSN 5945-01-535-0951
NSN 5996-00-762-5899
NSN 5855-01-180-5369
NSN 5905-01-218-7018
NSN 6220-00-035-6736
NSN 4140-01-478-7371