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 6685-01-050-8391
NSN 5965-01-484-7303
NSN 5996-01-183-3632
NSN 5999-00-481-9510
NSN 6645-01-282-3624
NSN 6650-00-177-6390
NSN 5925-01-432-2731
NSN 5945-01-520-5643
NSN 6135-00-491-9864
NSN 6650-01-571-1554
NSN 5960-00-583-4902
NSN 6240-01-587-6623