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 5990-00-052-3143
NSN 6620-00-857-5364
NSN 6130-00-899-8448
NSN 6610-01-386-0647
NSN 5998-00-348-2376
NSN 5915-01-302-6916
NSN 6240-00-269-3346
NSN 6610-01-353-3255
NSN 5910-01-105-4803
NSN 4140-00-613-9209
NSN 5965-01-604-0220
NSN 6150-01-568-0491