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 6145-00-296-0085
NSN 5998-00-137-0469
NSN 5835-01-281-7281
NSN 5905-01-042-2763
NSN 5985-01-607-5859
NSN 6110-01-465-5952
NSN 5910-01-483-1096
NSN 6220-01-413-8387
NSN 5920-01-023-6818
NSN 5960-01-449-1310
NSN 6150-01-381-2521
NSN 6145-01-159-5267