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 6130-00-988-3257
NSN 5999-01-074-4628
NSN 6105-00-265-3185
NSN 7035-00-179-3924
NSN 6645-00-108-6479
NSN 5905-01-417-2849
NSN 5930-00-338-8987
NSN 6135-00-078-9931
NSN 5915-01-575-7317
NSN 6620-01-449-8743
NSN 6130-01-197-7397
NSN 6135-00-027-3914