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.
NSN 5905-00-719-5438
NSN 6220-01-200-3410
NSN 6150-01-362-2947
NSN 5999-01-283-1289
NSN 6620-01-352-5640
NSN 5935-01-469-3193
NSN 6220-01-327-3272
NSN 5855-01-634-0259
NSN 6220-00-981-9184
NSN 5895-01-568-9547
NSN 5990-01-616-9342
NSN 4140-01-455-2290