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 6145-00-150-5049
NSN 5998-01-482-8426
NSN 6645-00-596-5388
NSN 6645-01-394-5149
NSN 5905-00-967-3432
NSN 6620-01-360-4725
NSN 5965-01-653-7321
NSN 5930-00-083-9564
NSN 4140-00-924-8116
NSN 7035-01-068-5077
NSN 6645-01-487-4341
NSN 5950-01-261-2244