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 5990-01-625-5923
NSN 5996-01-400-0917
NSN 6135-00-016-0071
NSN 5990-00-513-5328
NSN 6650-01-422-1037
NSN 5996-01-539-5995
NSN 2925-00-099-4030
NSN 5910-00-027-7518
NSN 6645-01-370-4259
NSN 6135-01-578-8919
NSN 6135-01-551-0562
NSN 6320-00-228-5678