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 5895-00-478-9289
NSN 5998-01-381-3741
NSN 6620-00-004-1374
NSN 5996-01-004-7832
NSN 5910-01-347-0260
NSN 6620-01-502-9104
NSN 5999-01-417-6298
NSN 5905-01-267-9276
NSN 5855-01-460-8398
NSN 5855-01-602-9653
NSN 4140-01-467-9850
NSN 6130-01-112-0158