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 5920-01-298-7989
NSN 5925-01-077-3137
NSN 5855-00-688-9954
NSN 5975-00-222-4109
NSN 6240-01-513-5832
NSN 7035-00-763-6180
NSN 6320-00-306-0124
NSN 5915-01-364-7917
NSN 4140-01-571-7913
NSN 6130-01-100-1875
NSN 5960-01-175-9880
NSN 5835-01-566-5462