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 5950-01-465-5224
NSN 5935-01-323-7118
NSN 5935-01-599-8604
NSN 6110-01-462-8995
NSN 5965-01-293-7031
NSN 5925-01-434-5993
NSN 6685-01-391-2119
NSN 5990-00-230-8813
NSN 6130-01-426-8841
NSN 4140-00-541-9077
NSN 5975-01-273-0971
NSN 6145-01-265-0522