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 5996-00-155-9309
NSN 6620-00-449-1973
NSN 5945-01-399-7647
NSN 5925-01-336-8448
NSN 6645-00-246-4934
NSN 6135-00-274-4037
NSN 5910-01-449-7468
NSN 4140-01-606-8772
NSN 7035-01-470-9074
NSN 5945-01-333-9386
NSN 5996-01-602-6953
NSN 5960-00-483-6074