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 4140-01-425-1725
NSN 6650-00-535-6923
NSN 6610-00-106-9720
NSN 5975-01-431-8520
NSN 6645-00-115-6657
NSN 6650-00-970-5598
NSN 5930-01-136-8396
NSN 6650-00-276-9838
NSN 5905-00-941-6242
NSN 5975-00-491-2238
NSN 4140-01-254-2739
NSN 6240-00-874-3533