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 4140-01-145-4474
NSN 6135-00-444-1402
NSN 5999-01-038-8473
NSN 5999-00-666-3838
NSN 6620-00-190-8109
NSN 5999-01-515-1259
NSN 6105-00-895-2727
NSN 6650-00-934-8316
NSN 5895-01-430-7181
NSN 5925-00-847-7725
NSN 5920-01-170-0127
NSN 5925-01-055-1199