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 4140-01-158-4139
NSN 2925-00-908-4420
NSN 5925-01-571-1997
NSN 6130-01-491-8902
NSN 6150-00-194-7887
NSN 5998-01-612-2311
NSN 6320-01-443-8676
NSN 6105-01-160-8434
NSN 6130-01-295-8954
NSN 5945-01-642-2179
NSN 6645-00-372-2618
NSN 6610-01-224-7247