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 5910-01-387-5556
NSN 5910-01-633-9963
NSN 5945-01-432-1708
NSN 5990-01-540-1619
NSN 6645-01-556-5263
NSN 5990-00-513-5328
NSN 5975-00-900-0438
NSN 6620-01-530-1229
NSN 6650-01-239-6241
NSN 5905-01-090-5321
NSN 6150-01-385-8671
NSN 6685-01-316-6505