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 5910-01-277-2107
NSN 5920-00-849-6564
NSN 6650-01-076-3922
NSN 6650-00-760-1385
NSN 6145-01-602-7739
NSN 5895-00-291-4873
NSN 6105-00-799-5571
NSN 4140-01-459-7411
NSN 5835-01-050-7882
NSN 5905-00-935-1142
NSN 6610-00-138-2737
NSN 6320-01-062-9351