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 5996-01-500-1830
NSN 5950-01-536-9618
NSN 5960-01-142-1995
NSN 5998-00-006-5378
NSN 5915-01-306-5514
NSN 5930-01-435-8714
NSN 5910-01-363-0727
NSN 6645-01-512-2220
NSN 6620-00-345-3456
NSN 6610-01-522-3345
NSN 6145-00-421-0968
NSN 6620-01-418-3245