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 4140-01-650-1208
NSN 5925-01-167-9769
NSN 5996-00-923-1862
NSN 2925-00-459-4519
NSN 5945-01-626-6363
NSN 6650-00-434-0188
NSN 5985-00-772-2119
NSN 5960-01-158-9166
NSN 5960-00-501-1127
NSN 6650-01-395-5991
NSN 7035-01-242-2052
NSN 5925-01-401-5314