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 5996-00-300-4499
NSN 5999-00-628-1619
NSN 6105-01-513-7715
NSN 2925-01-484-8556
NSN 6320-00-593-0379
NSN 2925-01-191-9668
NSN 5998-01-410-9169
NSN 6110-01-536-2470
NSN 5998-01-564-9277
NSN 6150-01-319-6458
NSN 6620-01-246-5895
NSN 5835-01-034-1255