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 5960-01-335-1622
NSN 6135-00-269-5843
NSN 6220-01-112-8855
NSN 4140-01-372-8925
NSN 6130-01-584-1294
NSN 5855-00-010-5231
NSN 5920-01-371-3112
NSN 5930-01-569-2518
NSN 5930-01-534-3451
NSN 6620-01-117-0834
NSN 5835-01-647-6426
NSN 6610-01-358-7582