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 6135-00-062-5080
NSN 6145-01-543-2998
NSN 6105-01-307-6412
NSN 6620-01-253-0374
NSN 6135-01-469-7574
NSN 5975-00-456-2257
NSN 4140-01-276-8307
NSN 5855-00-237-4088
NSN 6650-01-514-7809
NSN 6240-00-987-0977
NSN 5950-00-842-4309
NSN 6685-00-184-3894