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 6220-01-469-6213
NSN 5960-01-307-2674
NSN 5920-00-624-3049
NSN 6145-01-283-1262
NSN 5905-01-646-0135
NSN 5915-00-505-7193
NSN 5915-00-115-8482
NSN 6145-01-481-8270
NSN 6220-00-761-9520
NSN 5975-00-500-0166
NSN 5950-00-418-9602
NSN 2925-00-625-4783