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 6610-00-455-3979
NSN 5999-01-056-3300
NSN 6135-01-456-7541
NSN 5975-01-411-7399
NSN 5905-01-634-0595
NSN 6135-01-056-4609
NSN 5930-01-632-6725
NSN 5920-01-397-2067
NSN 6620-00-658-6588
NSN 6220-00-854-0170
NSN 5998-01-494-7288
NSN 5945-01-403-2800