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 5855-00-472-2055
NSN 5998-01-192-8737
NSN 5935-01-562-4707
NSN 5960-01-041-3048
NSN 5930-01-240-0476
NSN 5915-01-113-6834
NSN 7035-01-252-5919
NSN 6650-00-922-3328
NSN 5950-01-227-2466
NSN 5915-00-518-0851
NSN 5855-01-510-2898
NSN 5998-01-497-0287