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 6645-00-127-3835
NSN 6685-01-205-2385
NSN 5998-00-406-4413
NSN 6610-01-044-0138
NSN 6650-00-869-5760
NSN 6135-01-027-7543
NSN 6105-01-226-9793
NSN 6645-00-527-7258
NSN 6135-01-124-2376
NSN 6135-01-174-4863
NSN 6130-01-605-1266
NSN 6135-01-339-8064