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 5910-00-399-0734
NSN 5990-00-893-8998
NSN 6645-00-300-0401
NSN 5925-00-081-1170
NSN 5895-00-661-1773
NSN 5910-01-112-0290
NSN 7035-00-946-2642
NSN 7035-01-324-7796
NSN 5965-01-079-7939
NSN 2925-01-129-1261
NSN 7035-01-362-4924
NSN 7035-01-480-9761