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 4140-01-107-3306
NSN 5950-01-191-0113
NSN 5925-00-194-1010
NSN 5965-00-051-6434
NSN 5990-00-104-4903
NSN 5925-00-984-2163
NSN 5998-01-623-9439
NSN 5915-01-504-1245
NSN 5935-01-484-2229
NSN 5990-00-946-4230
NSN 5960-01-215-0992
NSN 6685-01-158-2911