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 7035-00-337-8745
NSN 5999-01-323-7053
NSN 5925-01-388-8095
NSN 5905-01-327-2712
NSN 5950-00-519-1267
NSN 6650-01-433-3520
NSN 5998-01-659-2498
NSN 6150-00-903-1862
NSN 6220-01-127-5737
NSN 6135-00-377-9165
NSN 6220-01-272-9239
NSN 6645-00-285-8781