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 6645-01-463-3441
NSN 6220-01-395-9483
NSN 5998-01-604-9696
NSN 5905-00-841-1864
NSN 6645-01-325-5605
NSN 5960-01-632-6576
NSN 6610-00-125-5425
NSN 5915-01-134-9908
NSN 5999-01-025-1404
NSN 2925-00-617-0826
NSN 5835-01-092-6759
NSN 2925-00-788-0043