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 6650-00-134-5130
NSN 4140-01-033-0577
NSN 5835-01-293-6453
NSN 5990-01-407-6615
NSN 5930-01-237-6084
NSN 5910-01-350-0400
NSN 5960-01-104-7839
NSN 5960-00-644-4982
NSN 5905-01-447-2806
NSN 6620-01-468-6017
NSN 5999-01-146-5077
NSN 5996-01-142-0878