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 5945-00-615-6778
NSN 5998-01-394-4349
NSN 5835-00-092-1136
NSN 5990-01-074-6549
NSN 5945-01-519-8887
NSN 5998-01-168-4843
NSN 6620-00-075-6667
NSN 5996-01-383-1478
NSN 6240-00-409-8670
NSN 5935-00-526-9270
NSN 5985-01-219-9563
NSN 6650-01-551-1547