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 5945-00-281-4578
NSN 6135-01-100-3593
NSN 4140-01-440-1992
NSN 5998-00-647-1225
NSN 6220-00-420-1245
NSN 5855-00-247-7219
NSN 6620-00-045-8134
NSN 5920-01-020-7659
NSN 4140-01-152-2672
NSN 6685-01-149-6494
NSN 5998-00-494-4022
NSN 5950-01-406-4161