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 5930-01-092-8009
NSN 6685-00-905-7616
NSN 5998-00-924-4832
NSN 5998-01-389-6585
NSN 6135-00-284-1406
NSN 7035-01-587-6239
NSN 5925-01-188-2315
NSN 6145-01-648-1491
NSN 6105-01-129-3224
NSN 2925-00-440-9316
NSN 5965-01-348-8761
NSN 5910-01-072-9750