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 5999-00-588-2516
NSN 6220-00-937-9053
NSN 5975-00-278-7437
NSN 4140-01-260-1869
NSN 6130-01-398-0057
NSN 5855-01-572-2941
NSN 6240-00-500-4404
NSN 6610-01-434-4958
NSN 5915-01-446-5028
NSN 6110-00-995-0133
NSN 5925-01-434-3421
NSN 6220-00-682-8292