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 6620-01-468-6017
NSN 6150-01-482-9032
NSN 6220-01-087-4282
NSN 5910-01-004-7602
NSN
NSN 5999-01-330-2488
NSN 5950-01-550-7322
NSN 5950-00-203-2368
NSN 5965-01-580-0938
NSN 5960-00-681-0301
NSN 6135-01-472-5681
NSN 5945-01-658-5371