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 6320-01-170-4068
NSN 5910-01-633-9963
NSN 5960-01-609-6565
NSN 5996-00-151-4462
NSN 5965-01-653-5419
NSN 5935-01-376-5332
NSN 2925-00-203-8735
NSN 6320-01-416-9357
NSN 5975-01-514-7883
NSN 6320-01-204-2922
NSN 5950-01-498-6962
NSN 6145-00-156-4394