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 4140-01-119-1538
NSN 6150-01-515-8854
NSN 5990-00-177-2924
NSN 6105-00-695-3839
NSN 6620-01-534-7180
NSN 5855-01-519-2486
NSN 6110-01-062-0252
NSN 6220-01-099-3429
NSN 5996-01-139-2843
NSN 5905-01-303-5617
NSN 5945-00-831-9130
NSN 5975-01-397-5686