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 2925-00-553-8799
NSN 6220-01-435-4839
NSN 4140-01-474-5701
NSN 6220-00-340-1313
NSN 6320-01-515-7913
NSN 5920-00-351-8428
NSN 5905-01-307-8168
NSN 5920-00-883-9211
NSN 5915-01-619-1548
NSN 5985-00-153-5599
NSN 6130-01-643-2139
NSN 5835-01-318-5268