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 6135-00-078-9931
NSN 5998-01-427-2327
NSN 5945-01-276-0611
NSN 5985-01-466-4946
NSN 6620-01-610-5081
NSN 7035-01-601-0745
NSN 6105-00-111-8397
NSN 5925-01-364-0771
NSN 7035-01-598-0241
NSN 5905-00-216-6576
NSN 7035-00-275-5604
NSN 6220-00-893-8777