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 5855-01-248-5725
NSN 7035-00-104-7613
NSN 6145-01-230-9420
NSN 5960-01-137-2329
NSN 5935-01-393-4289
NSN 5975-00-350-8141
NSN 6610-00-234-3918
NSN 5975-00-257-8055
NSN 6620-00-658-6588
NSN 5996-01-389-8150
NSN 5925-00-899-6427
NSN 5990-00-111-3614