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 5905-01-603-3306
NSN 6685-01-088-0213
NSN 6145-01-329-2018
NSN 6620-01-426-2220
NSN 6610-01-249-3243
NSN 5855-01-339-7675
NSN 5935-01-006-7910
NSN 5930-01-444-4074
NSN 6130-01-389-8417
NSN 5855-00-791-5000
NSN 6645-01-193-9839
NSN 5905-01-252-0898