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 7035-01-034-6183
NSN 5905-00-228-0654
NSN 6105-01-462-0140
NSN 5915-01-152-1907
NSN 6145-00-583-9989
NSN 5998-01-560-3432
NSN 6220-00-212-9098
NSN 5950-00-530-7273
NSN 6135-01-482-1290
NSN 5996-00-222-6049
NSN 6610-00-160-3315
NSN 5910-01-327-4318