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 6320-00-905-0543
NSN 5920-01-631-1017
NSN 5895-00-659-2166
NSN 7035-00-585-2113
NSN 6110-01-396-7693
NSN 5950-01-138-7959
NSN 5915-00-683-3800
NSN 5975-00-826-8982
NSN 5915-01-563-1323
NSN 6145-00-114-0197
NSN 5975-01-511-0701
NSN 5925-00-905-7814