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 6145-01-104-6029
NSN 6220-01-328-6176
NSN 6150-00-190-7874
NSN 5835-01-522-9881
NSN 5920-00-998-9528
NSN 5925-01-200-7813
NSN 4140-01-003-6850
NSN 5930-00-661-2280
NSN 5930-00-360-4592
NSN 6240-01-123-9040
NSN 6320-01-353-9753
NSN 5920-01-536-3934