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 5990-01-443-2931
NSN 6685-00-131-2200
NSN 6650-01-463-8405
NSN 5895-00-436-0355
NSN 5985-01-495-0658
NSN 5835-01-193-6192
NSN 5975-01-288-0718
NSN 6645-00-368-8636
NSN 5975-01-657-0529
NSN 6645-01-150-2039
NSN 6685-00-544-3783
NSN 5990-01-491-7692