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 5985-01-106-3003
NSN 5950-01-398-1670
NSN 6135-01-398-5922
NSN 6610-01-302-6347
NSN 5920-00-251-1472
NSN 5895-00-278-8092
NSN 6145-00-279-4494
NSN 6135-01-026-9960
NSN 6150-00-287-6879
NSN 6220-00-925-2233
NSN 5975-00-218-0414
NSN 6685-01-582-0727