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 5910-00-434-2591
NSN 5998-00-724-2195
NSN 5910-01-502-5860
NSN 5945-01-585-9974
NSN 6130-01-514-5218
NSN 4140-00-713-2706
NSN 5920-00-102-8713
NSN 6320-01-253-1028
NSN 6130-01-055-6219
NSN 6145-00-849-1353
NSN 5935-00-883-8957
NSN 5945-01-366-0164