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 6620-00-257-2783
NSN 6320-01-377-5701
NSN 5960-01-632-6576
NSN 4140-00-378-3399
NSN 6685-01-502-9028
NSN 6150-01-412-0606
NSN 7035-01-633-9537
NSN 6220-01-649-3542
NSN 4140-01-634-0330
NSN 6650-01-089-8890
NSN 5985-01-031-3564
NSN 6645-00-498-6869