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 5920-00-581-1355
NSN 6240-00-816-6749
NSN 6650-01-492-7809
NSN 6130-01-438-6960
NSN 6645-00-397-2210
NSN 5950-01-364-0006
NSN 5920-01-231-3615
NSN 5998-00-107-8126
NSN 6135-01-588-4160
NSN 5935-01-470-1345
NSN 5950-00-133-0160
NSN 6150-00-753-2014