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 6620-01-185-4040
NSN 5935-01-276-8910
NSN 5998-00-689-1717
NSN 5895-01-366-5879
NSN 5985-00-689-9515
NSN 5930-01-092-5064
NSN 5915-00-576-6395
NSN 6130-01-418-1606
NSN 5998-01-469-3375
NSN 5835-01-593-7579
NSN 7035-01-104-5446
NSN 5996-01-595-4092