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 5950-00-222-7491
NSN 5915-01-157-9799
NSN 5945-01-320-8251
NSN 5920-01-608-5278
NSN 5925-00-678-3789
NSN 5996-01-535-6443
NSN 5990-00-806-3556
NSN 5855-01-417-3250
NSN 5895-01-608-4352
NSN 6645-00-359-5463
NSN 6645-01-026-6659
NSN 5935-00-826-4037