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 5915-00-905-1590
NSN 6220-01-165-3635
NSN 5990-00-887-7053
NSN 6220-00-274-8541
NSN 6685-01-486-3679
NSN 6135-00-196-5267
NSN 6610-01-034-5226
NSN 6110-01-193-6375
NSN 6645-00-724-6128
NSN 4140-00-974-0128
NSN 5895-01-014-5458
NSN 5950-00-581-9999