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 4140-00-279-3148
NSN 5925-00-958-8215
NSN 6150-00-583-9878
NSN 6610-00-202-5481
NSN 5950-01-481-4173
NSN 6130-01-487-8699
NSN 6135-00-112-8637
NSN 5925-00-487-7542
NSN 5999-01-538-4812
NSN 5920-00-206-3595
NSN 4140-00-704-7615
NSN 5996-01-258-5327