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 6110-01-495-2211
NSN 6645-01-121-6952
NSN 5996-01-511-0458
NSN 2925-01-125-4800
NSN 6650-00-726-4242
NSN 5835-01-359-2575
NSN 6320-00-261-9136
NSN 6650-01-413-2480
NSN 5835-01-608-8868
NSN 5990-00-010-0591
NSN 4140-01-545-7030
NSN 6135-01-380-4396