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 5985-01-329-2903
NSN 5996-00-700-1182
NSN 5920-01-226-7876
NSN 5996-01-496-5949
NSN 5915-01-604-9404
NSN 2925-01-650-3412
NSN 6650-01-562-9944
NSN 6105-01-231-5448
NSN 5999-01-657-7930
NSN 7035-00-946-2642
NSN 2925-01-430-4206
NSN 6650-00-734-3985