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 4140-00-761-7761
NSN 5855-00-586-6255
NSN 5905-00-889-9563
NSN 5925-00-104-5761
NSN 6110-00-216-6911
NSN 5990-00-124-2556
NSN 7035-00-140-0474
NSN 6320-01-571-8974
NSN 5999-00-057-2929
NSN 5920-01-534-0393
NSN 5975-00-581-4667
NSN 5996-01-250-1644