Heat treated
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 5930-00-222-8142
NSN 5910-01-071-3155
NSN 5935-01-145-0440
NSN 5835-01-013-9321
NSN 6620-01-441-0240
NSN 6685-00-853-3494
NSN 6150-01-144-7815
NSN 5985-00-809-5851
NSN 5998-00-067-4316
NSN 5999-01-069-7758
NSN 6150-01-536-4196
NSN 6220-01-265-7144