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 5998-00-395-2692
NSN 6645-00-998-2918
NSN 6150-01-390-3432
NSN 5985-01-358-1362
NSN 6620-00-175-0663
NSN 5950-01-398-0762
NSN 2925-00-596-9775
NSN 2925-00-912-3993
NSN 5935-01-605-2726
NSN 6620-01-654-9436
NSN 5960-01-567-1096
NSN 5905-01-246-6824