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 5945-00-374-1691
NSN 5935-01-567-0595
NSN 6150-00-945-7090
NSN 6150-00-854-2607
NSN 6130-01-178-9945
NSN 5930-01-096-8090
NSN 6620-01-353-9224
NSN 5985-01-530-3340
NSN 6645-01-383-6514
NSN 5996-00-247-0854
NSN 6320-01-519-8767
NSN 4140-00-995-3268