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 5990-00-617-1422
NSN 6220-00-003-8992
NSN 5905-01-133-8594
NSN 5998-01-430-2773
NSN 5895-01-611-6859
NSN 6130-01-529-8056
NSN 6650-00-006-8647
NSN 5990-01-173-7238
NSN 5950-00-395-1312
NSN 4140-01-118-8918
NSN 5910-01-316-9530
NSN 5985-01-286-7076