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 5996-00-757-7742
NSN 5915-01-193-1952
NSN 5855-01-289-0070
NSN 4140-00-796-7212
NSN 5998-01-494-8425
NSN 6240-01-469-9682
NSN 6620-00-854-0961
NSN 4140-01-042-3494
NSN 6130-01-206-4032
NSN 6105-01-185-4060
NSN 6105-01-294-9019
NSN 6240-00-919-9186