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 5990-01-571-7468
NSN 6645-01-622-1830
NSN 2925-01-446-6976
NSN 6110-01-271-2931
NSN 5996-01-069-2915
NSN 6150-00-832-0739
NSN 5965-01-164-7982
NSN 5925-01-050-4265
NSN 5945-01-191-7037
NSN 5999-00-554-9966
NSN 5965-01-406-0766
NSN 6650-01-223-9048