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 6135-01-205-5965
NSN 5935-01-582-4589
NSN 5925-01-100-4029
NSN 7035-01-437-4137
NSN 5855-00-117-0857
NSN 6650-00-933-8744
NSN 7035-01-044-0136
NSN 6685-00-816-8838
NSN 5950-00-208-4886
NSN 5990-01-529-7307
NSN 5935-01-066-5938
NSN 5935-00-060-9131