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 6610-00-929-0225
NSN 5855-00-472-2055
NSN 5945-01-650-4021
NSN 6150-00-775-0204
NSN 6645-01-079-3741
NSN 5999-00-244-6375
NSN 5895-01-068-4764
NSN 5905-01-276-2940
NSN 5855-01-225-5855
NSN 5950-01-050-9114
NSN 6150-01-530-7822
NSN 5975-00-203-8416