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 6150-01-348-9684
NSN 5915-00-193-6850
NSN 6320-01-465-2028
NSN 5905-00-228-5519
NSN 5925-01-177-6334
NSN 5950-01-555-8152
NSN 6145-00-919-6176
NSN 6610-01-489-0071
NSN 5975-01-298-3737
NSN 6150-01-377-0520
NSN 5945-01-065-0887
NSN 5950-00-018-0874