Concave shape prevents sliding; returns condensation to beaker
Classification: Clock or watch glass; glasses for noncorrective spectagles not optically worked; hollow glass spheres and their segments for the mnfctr ofsuch glasses
NSN 5910-00-955-2325
NSN 5935-00-115-1085
NSN 5935-00-932-5241
NSN 6135-01-041-3829
NSN 5998-01-004-9745
NSN 6110-00-241-7126
NSN 5925-01-024-9568
NSN 6110-01-392-9108
NSN 6685-00-188-1991
NSN 5985-01-328-1750
NSN 5835-01-296-3790
NSN 6135-00-078-9931