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 5910-00-419-0330
NSN 5975-00-826-8982
NSN 6620-01-451-0066
NSN 5998-01-609-7238
NSN 4140-01-423-1647
NSN 5935-00-672-2913
NSN 5960-01-080-3117
NSN 5990-00-487-0135
NSN 6620-01-573-9864
NSN 6645-00-658-7838
NSN 5855-01-286-9928
NSN 5915-01-330-7664