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 5985-01-230-2074
NSN 6150-00-979-8546
NSN 5835-00-308-4929
NSN 6645-01-449-5457
NSN 5960-01-003-8480
NSN 6130-01-227-9683
NSN 5915-01-530-9422
NSN 5985-00-385-1643
NSN 5998-01-316-0341
NSN 6650-00-903-6670
NSN 5960-00-011-3584
NSN 6620-00-273-8735