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 5990-00-026-4420
NSN 6130-01-625-1806
NSN 5895-01-376-8459
NSN 5905-00-438-5747
NSN 6150-01-541-5093
NSN 6620-01-315-7003
NSN 6110-01-499-7679
NSN 2925-00-149-0760
NSN 6150-00-027-9279
NSN 6645-01-415-3341
NSN 6685-00-112-7040
NSN 6645-01-045-4088