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 6135-01-375-6724
NSN 6620-00-756-4423
NSN 5905-01-160-4939
NSN 6135-01-122-4448
NSN 6150-01-525-3554
NSN 6150-01-051-0386
NSN 5998-01-397-3536
NSN 6110-00-596-9124
NSN 4140-00-155-8012
NSN 5999-01-074-6319
NSN 4140-01-430-9486
NSN 6320-00-174-1362