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 5920-01-228-1672
NSN 5930-01-145-9984
NSN 6150-01-438-8547
NSN 5999-01-648-1552
NSN 4140-00-203-3870
NSN 5990-00-752-2126
NSN 5855-01-554-2584
NSN 5905-01-634-0595
NSN 5965-01-267-1278
NSN 5960-01-503-0362
NSN 5945-01-634-0588
NSN 6320-01-422-1212