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 4140-01-422-4431
NSN 6650-00-705-0269
NSN 5950-01-357-1089
NSN 5960-00-503-9529
NSN 6135-00-452-2266
NSN 6645-00-833-2395
NSN 5998-01-032-2887
NSN 5925-01-046-0614
NSN 6135-00-726-4142
NSN 6110-00-339-4140
NSN 6150-01-541-4157
NSN 5855-00-631-4565