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 6610-00-432-7162
NSN 5905-01-503-4135
NSN 5975-01-252-6515
NSN 5925-01-204-8583
NSN 6620-01-234-1799
NSN 5985-01-529-1013
NSN 6610-00-296-5007
NSN 7035-01-166-7857
NSN 5975-00-240-9733
NSN 5998-01-498-8213
NSN 6320-00-116-3658
NSN 5925-00-452-1270