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 6685-01-384-3979
NSN 6620-00-269-8950
NSN 6320-00-242-3300
NSN 5925-00-240-6542
NSN 5999-00-449-0753
NSN 5998-01-273-7326
NSN 6320-00-174-1362
NSN 5960-01-023-8037
NSN 5985-00-932-4257
NSN 4140-01-508-2365
NSN 5925-01-485-0125
NSN 5855-01-432-0524