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 5910-00-942-1570
NSN 5998-00-350-2279
NSN 5960-01-553-4557
NSN 5950-00-906-8559
NSN 5960-00-650-7476
NSN 6240-00-669-6652
NSN 6135-01-185-1057
NSN 5895-01-329-1760
NSN 6150-01-150-4780
NSN 5920-01-167-9678
NSN 4140-01-123-9149
NSN 5998-00-455-1653