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 5920-01-189-0115
NSN 6650-01-321-2905
NSN 6105-01-098-0378
NSN 5905-00-815-2596
NSN 5985-00-387-5974
NSN 6620-01-464-3087
NSN 5965-00-439-6287
NSN 5960-00-066-2573
NSN 5975-01-459-3547
NSN 5910-00-586-5043
NSN 5895-00-068-5906
NSN 6130-01-293-6051