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 6610-00-186-9180
NSN 6135-01-633-8502
NSN 6685-00-659-7831
NSN 5990-00-873-3079
NSN 5999-01-531-7766
NSN 5985-01-567-6781
NSN 5835-01-345-3718
NSN 5910-01-374-1101
NSN 2925-00-737-6476
NSN 5975-01-148-2804
NSN 5965-01-075-3148
NSN 5945-01-347-8879