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 4140-00-471-1129
NSN 5996-01-277-3041
NSN 7035-00-153-3826
NSN 5960-01-575-7818
NSN 5910-01-351-2507
NSN 6610-01-372-9248
NSN 5950-00-672-0153
NSN 6240-01-032-0714
NSN 6145-00-009-0619
NSN 6240-00-104-4662
NSN 5965-00-436-2226
NSN 5910-01-454-5646