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 5990-00-621-0572
NSN 5895-00-627-1279
NSN 6220-01-151-9127
NSN 6105-01-201-2821
NSN 5835-00-033-0294
NSN 6145-01-524-7113
NSN 5925-01-248-3797
NSN 6320-00-994-0179
NSN 5920-00-291-1379
NSN 4140-01-393-2350
NSN 6650-01-471-6476
NSN 6130-01-292-6083