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 5990-01-609-4793
NSN 5960-00-256-3622
NSN 5930-00-468-8320
NSN 5915-01-291-8959
NSN 6645-00-296-8310
NSN 5996-01-487-6811
NSN 5945-01-456-5395
NSN 5915-00-835-3916
NSN 5935-01-046-7280
NSN 5930-01-627-5894
NSN 6105-01-401-5361
NSN 6150-00-788-1777