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 4140-01-374-8467
NSN 5930-01-218-5750
NSN 5999-00-608-0364
NSN 6110-00-101-7955
NSN 5920-01-343-6838
NSN 5925-01-508-0633
NSN 5920-01-102-7354
NSN 5996-01-237-3757
NSN 5895-01-010-4164
NSN 5960-01-399-4327
NSN 6650-01-341-1670
NSN 5965-01-408-6218