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 5910-01-040-2681
NSN 4140-01-546-0231
NSN 6620-01-395-0651
NSN 5998-01-152-1762
NSN 5950-01-052-6223
NSN 5925-00-757-4981
NSN 6320-00-405-2348
NSN 5835-01-495-0595
NSN 6220-01-358-5134
NSN 5996-01-435-5088
NSN 5990-01-324-7529
NSN 6145-00-478-0261