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 5920-01-295-3267
NSN 5965-01-332-9825
NSN 5910-00-548-3843
NSN 5930-00-881-1364
NSN 6130-01-100-3285
NSN 5998-00-661-0380
NSN 6685-01-455-4063
NSN 5920-01-398-7123
NSN 6620-00-169-1609
NSN 6110-01-260-4969
NSN 5999-00-932-3690
NSN 5996-01-542-8611