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 5895-01-109-4944
NSN 7035-01-489-5679
NSN 6220-00-740-1271
NSN 5990-00-373-9787
NSN 5950-01-158-6076
NSN 6130-01-101-5891
NSN 7035-00-064-7008
NSN 6320-01-532-6746
NSN 5985-01-411-9618
NSN 5998-00-908-8934
NSN 6135-01-556-7318
NSN 5905-01-243-2872