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 6150-01-350-3713
NSN 6135-01-026-9960
NSN 5925-01-329-2400
NSN 5950-00-226-0119
NSN 6105-01-600-3288
NSN 5945-01-354-6635
NSN 5930-01-330-7221
NSN 2925-00-105-3907
NSN 5935-01-304-2253
NSN 6145-01-311-6386
NSN 5975-00-226-3531
NSN 5975-01-025-1870