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 4140-00-142-2491
NSN 6145-00-466-4068
NSN 6240-00-763-4895
NSN 6610-01-341-0886
NSN 5915-00-186-0463
NSN 5930-01-471-0520
NSN 5910-00-294-9439
NSN 5965-01-344-4099
NSN 5930-01-218-8581
NSN 6145-01-448-0832
NSN 5960-00-959-7413
NSN 6650-00-515-6002