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 5996-01-121-8430
NSN 5910-01-618-3729
NSN 6105-01-512-9575
NSN 4140-00-438-2485
NSN 6130-01-476-1125
NSN 5965-00-529-0602
NSN 5985-01-113-3037
NSN 5930-00-944-5303
NSN 6105-01-013-2749
NSN 6685-01-527-7549
NSN 5905-01-365-6311
NSN 5930-01-592-6901