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 5975-01-425-1669
NSN 5998-01-278-1529
NSN 5935-01-104-4313
NSN 6220-01-401-5337
NSN 6220-01-332-0524
NSN 5930-01-624-1086
NSN 6220-01-435-4839
NSN 5915-00-186-3092
NSN 6145-01-172-4318
NSN 6220-01-647-4326
NSN 5965-01-172-5724
NSN 4140-01-003-2501