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 5996-00-556-2479
NSN 5910-01-102-2133
NSN 5990-01-022-6592
NSN 7035-01-250-5744
NSN 5965-01-215-0993
NSN 5990-01-378-7349
NSN 5965-01-197-6924
NSN 5985-01-423-4534
NSN 6105-01-416-0997
NSN 6610-00-641-3015
NSN 6610-00-601-5107
NSN 5910-01-089-6671