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 6150-00-628-7234
NSN 5975-01-310-6625
NSN 5998-00-117-7432
NSN 6650-01-395-1882
NSN 6620-00-527-6523
NSN 5835-01-371-8759
NSN 6685-00-907-7666
NSN 5855-01-466-1588
NSN 5920-01-193-1356
NSN 6145-00-806-8079
NSN 5950-01-447-3817
NSN 5835-00-408-5499