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 5905-00-015-4338
NSN 6145-01-075-4996
NSN 5945-01-617-1673
NSN 5950-01-534-8192
NSN 6620-01-415-2307
NSN 5855-01-528-8776
NSN 6645-01-511-3272
NSN 6135-01-056-4609
NSN 6220-01-461-4204
NSN 5965-00-716-7078
NSN 6145-00-477-4986
NSN 6645-00-403-6068