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 5990-00-263-1289
NSN 6220-00-526-7639
NSN 5925-01-399-0613
NSN 6105-01-232-9625
NSN 5910-01-350-8099
NSN 6110-01-124-1546
NSN 5998-00-889-7579
NSN 6240-00-573-7514
NSN 6650-00-393-0447
NSN 6620-00-273-1511
NSN 6645-00-239-5743
NSN 5915-00-392-7640