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 5920-01-154-1039
NSN 5975-01-243-0221
NSN 2925-00-471-1128
NSN 5990-01-074-5562
NSN 5975-00-990-1708
NSN 6320-01-227-2648
NSN 5990-01-164-8673
NSN 6105-01-524-9743
NSN 6620-00-810-6774
NSN 4140-00-395-7006
NSN 6220-01-632-3851
NSN 5998-00-756-3829