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 4140-00-104-2151
NSN 5910-00-727-8003
NSN 6130-00-125-4605
NSN 6650-01-292-7749
NSN 5975-01-227-2722
NSN 5985-00-243-0609
NSN 5930-01-330-9474
NSN 5950-01-076-5464
NSN 5999-00-459-5773
NSN 5835-01-522-9881
NSN 5905-00-138-6348
NSN 4140-00-328-1527