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 4140-01-103-3377
NSN 5920-01-039-2236
NSN 2925-01-317-4543
NSN 5996-01-494-4122
NSN 5930-01-502-7034
NSN 6145-01-227-5743
NSN 5965-00-267-4173
NSN 5920-01-188-6458
NSN 5855-01-598-7392
NSN 6645-01-090-2555
NSN 5965-01-351-4615
NSN 5998-01-532-6514