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 6610-01-160-8815
NSN 6645-01-116-3423
NSN 6320-00-500-4172
NSN 7035-00-585-2113
NSN 5996-01-222-8745
NSN 6610-01-573-5949
NSN 5925-00-998-5482
NSN 6145-01-034-3534
NSN 6650-01-546-7632
NSN 5905-01-413-6362
NSN 6145-01-279-0551
NSN 5996-01-434-6774