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 4140-00-538-8959
NSN 5835-00-821-8555
NSN 5996-01-550-4033
NSN 5895-01-513-9038
NSN 6105-00-369-0602
NSN 5990-00-165-1809
NSN 6610-01-421-5367
NSN 6135-01-050-3194
NSN 6105-00-004-8962
NSN 5925-01-604-8859
NSN 6130-01-461-3530
NSN 6150-01-389-2800