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 5835-00-187-1481
NSN 6130-00-211-7355
NSN 6650-00-511-8673
NSN 5950-01-451-3518
NSN 5935-01-522-1289
NSN 5910-01-363-0731
NSN 6240-01-596-0723
NSN 5960-00-204-7506
NSN 5905-00-248-9974
NSN 5998-00-727-4426
NSN 5945-01-607-0980
NSN 6150-01-472-8667