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 6685-01-569-4374
NSN 5990-00-985-1334
NSN 5960-01-018-4162
NSN 5990-01-498-0641
NSN 5855-01-201-4857
NSN 5990-00-617-1422
NSN 5950-01-474-9643
NSN 5996-01-533-6033
NSN 6150-01-347-0544
NSN 6105-01-477-2857
NSN 6220-01-458-7068
NSN 6135-00-826-4798