A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 4140-01-605-1533
NSN 5996-01-368-6114
NSN 5925-00-905-0747
NSN 6320-01-473-9024
NSN 5915-01-247-3039
NSN 2925-01-169-6196
NSN 5998-01-491-4413
NSN 6130-00-288-1886
NSN 5930-01-264-4976
NSN 5895-00-494-0781
NSN 6150-01-060-6983
NSN 4140-00-774-8514