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 6130-01-256-7692
NSN 5910-01-269-7177
NSN 5990-00-104-4903
NSN 6685-01-471-2851
NSN 6610-00-632-1925
NSN 6220-00-141-6150
NSN 6135-01-415-4124
NSN 5835-01-632-6627
NSN 6620-01-068-4498
NSN 6320-00-731-6134
NSN 6110-01-588-3384
NSN 5915-00-177-3460