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 5920-01-631-4009
NSN 5910-01-381-9028
NSN 6110-01-004-9870
NSN 5998-00-496-2249
NSN 5930-01-094-7435
NSN 5945-01-538-9511
NSN 5998-01-627-0788
NSN 5905-00-222-4322
NSN 6105-01-385-5689
NSN 5945-01-037-1072
NSN 5910-01-258-5846
NSN 5915-01-219-9088