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 5990-00-552-9365
NSN 5945-01-521-4254
NSN 6320-01-583-6809
NSN 5985-00-486-6295
NSN 5855-01-366-2429
NSN 5999-01-121-9531
NSN 5990-00-689-2949
NSN 6320-01-624-0193
NSN 5895-01-020-7771
NSN 5835-00-113-6090
NSN 6110-00-957-3939
NSN 6130-01-111-9868