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 6220-01-134-9807
NSN 6150-00-233-6356
NSN 6650-01-469-8979
NSN 4140-01-110-3785
NSN 6135-01-633-8502
NSN 5920-01-286-8271
NSN 5999-01-615-6307
NSN 5905-01-007-7870
NSN 5965-00-840-8849
NSN 5910-01-064-9866
NSN 5910-01-428-5908
NSN 6150-01-391-6106