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 5950-01-007-6872
NSN 5855-01-129-9760
NSN 5855-00-117-0857
NSN 5950-00-003-1179
NSN 6620-01-215-0470
NSN 5960-01-197-2759
NSN 4140-01-353-9043
NSN 6220-01-247-9154
NSN 5925-01-551-6292
NSN 6320-00-506-2314
NSN 5945-01-503-1545
NSN 6240-01-529-6624