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 6145-00-350-6657
NSN 6685-01-374-5817
NSN 5915-01-337-9178
NSN 5990-01-476-0722
NSN 6650-00-246-3751
NSN 5999-00-201-5241
NSN 5905-01-525-8372
NSN 6135-01-074-2529
NSN 5965-00-139-4870
NSN 5990-00-459-5752
NSN 5985-01-448-6104
NSN 6150-01-574-3752