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 5925-00-284-3726
NSN 5915-01-641-1266
NSN 6220-01-099-8561
NSN 6620-00-185-1671
NSN 5895-00-592-5703
NSN 6135-01-544-8463
NSN 5950-01-054-5015
NSN 5985-01-082-4854
NSN 7035-01-026-1171
NSN 2925-00-233-5644
NSN 5895-01-551-8309
NSN 5835-00-552-9033