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 6130-00-938-3740
NSN 2925-01-100-3694
NSN 5998-00-004-5487
NSN 5960-01-013-9346
NSN 6610-01-131-5714
NSN 6105-01-058-0073
NSN 5965-01-324-0767
NSN 6220-01-475-2606
NSN 5999-01-517-0241
NSN 5905-01-260-2804
NSN 5915-01-099-4153
NSN 6240-01-125-6901