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.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 4140-01-400-3610
NSN 4140-01-217-6290
NSN 6240-01-267-0345
NSN 5998-00-296-8848
NSN 5998-00-141-6133
NSN 6130-01-431-8879
NSN 5998-01-111-3265
NSN 6685-00-616-0697
NSN 7035-01-502-9967
NSN 5855-01-505-9158
NSN 5999-01-584-7183
NSN 2925-00-868-2733