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 6240-00-290-4185
NSN 2925-00-388-8932
NSN 5996-01-056-4952
NSN 6145-01-033-0050
NSN 6320-01-412-2973
NSN 5915-00-194-4876
NSN 4140-01-276-8307
NSN 5990-01-027-5433
NSN 5930-00-314-6756
NSN 5915-01-380-0525
NSN 5920-01-384-3387
NSN 6320-00-557-3079