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 7035-01-633-9537
NSN 5975-00-170-3623
NSN 6685-01-260-7365
NSN 5935-00-934-9718
NSN 5905-00-222-6137
NSN 5965-01-089-8579
NSN 6650-00-070-0998
NSN 6645-00-419-9939
NSN 5965-01-461-7195
NSN 6105-01-310-7588
NSN 7035-00-679-9027
NSN 6220-01-389-1606