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 6645-00-978-2575
NSN 5855-01-338-1718
NSN 6320-01-429-9871
NSN 5855-01-384-7120
NSN 6610-01-130-8885
NSN 6610-00-686-5817
NSN 5930-01-398-9576
NSN 5930-01-410-8296
NSN 5915-01-303-5453
NSN 6145-00-255-7696
NSN 5945-01-027-2258
NSN 6220-00-383-4474