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 6645-01-157-9080
NSN 5960-01-226-0342
NSN 6135-01-495-0933
NSN 5960-01-106-3086
NSN 5975-01-451-4415
NSN 6130-01-408-5138
NSN 6145-01-238-7863
NSN 5895-01-354-3698
NSN 5905-01-127-2708
NSN 6105-00-891-9768
NSN 5895-00-574-5547
NSN 7035-00-371-7749