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 5950-01-483-2277
NSN 5935-01-631-3176
NSN 5925-01-421-4473
NSN 7035-01-559-6398
NSN 5895-01-653-4941
NSN 5996-01-327-5071
NSN 6130-00-596-9565
NSN 6150-01-582-5590
NSN 5910-00-313-7206
NSN 5975-01-015-9240
NSN 6145-00-836-9333
NSN 5855-01-033-1375