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 5910-01-357-6484
NSN 5996-00-003-1370
NSN 6610-01-252-8201
NSN 5965-01-183-7722
NSN 6645-01-542-1472
NSN 5996-00-901-0519
NSN 5910-00-758-7777
NSN 6130-01-048-6250
NSN 5965-01-659-0411
NSN 6620-00-079-0311
NSN 5895-01-515-2086
NSN 5855-01-116-8905