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 6240-00-181-2503
NSN 5925-01-266-1093
NSN 5996-00-967-0781
NSN 5985-00-043-4512
NSN 4140-00-471-1464
NSN 6135-01-599-7563
NSN 6240-01-020-9910
NSN 5950-01-034-4099
NSN 5998-01-503-3382
NSN 5950-01-187-7449
NSN 5835-00-401-2578
NSN 4140-01-088-6981