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 5925-01-254-9380
NSN 6145-01-308-2690
NSN 6135-00-519-1325
NSN 5920-00-954-2714
NSN 5905-01-474-5173
NSN 6610-01-281-6764
NSN 6145-01-388-4480
NSN 6150-00-913-1321
NSN 5965-01-437-7736
NSN 6620-01-014-7192
NSN 6645-01-512-6760
NSN 6105-01-285-8204