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 5996-00-966-4688
NSN 6145-00-943-9549
NSN 6620-01-354-8472
NSN 6610-01-652-7448
NSN 5960-00-114-4864
NSN 5905-01-051-1753
NSN 5950-01-399-2603
NSN 6610-01-383-6982
NSN 5990-00-247-0975
NSN 5960-01-276-7836
NSN 6220-00-875-0070
NSN 6685-01-089-8141