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 4140-01-592-7311
NSN 5920-00-901-1551
NSN 5930-00-343-0603
NSN 5999-01-611-8137
NSN 6240-01-244-7668
NSN 2925-00-284-1534
NSN 6240-00-212-4305
NSN 6130-00-173-0785
NSN 6645-00-216-6126
NSN 2925-00-614-1758
NSN 5975-01-425-1268
NSN 6150-00-911-7131