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 5930-00-005-3048
NSN 5855-01-339-7675
NSN 6110-01-605-6167
NSN 5895-00-469-3142
NSN 6145-01-271-9650
NSN 6240-00-110-9414
NSN 5990-01-478-8638
NSN 6135-00-756-3087
NSN 5925-00-484-7695
NSN 6645-00-350-8070
NSN 5910-00-336-7678
NSN 5990-00-710-1981