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 5945-01-212-7414
NSN 5996-01-202-9338
NSN 5998-00-862-5511
NSN 5945-00-250-2929
NSN 6320-01-390-2242
NSN 5950-01-521-3985
NSN 6320-01-544-6447
NSN 5999-01-270-7810
NSN 6220-01-057-3654
NSN 6150-00-726-6885
NSN 6145-00-265-6205
NSN 6620-00-663-8962