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 6240-01-389-0552
NSN 5998-00-462-2380
NSN 6220-00-008-7508
NSN 6620-01-335-2443
NSN 5935-01-568-0748
NSN 6130-00-114-5019
NSN 5998-00-079-0591
NSN 5905-01-579-3060
NSN 6130-00-519-6192
NSN 5950-01-359-1997
NSN 5835-01-581-9433
NSN 5935-00-717-7870