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 6620-01-212-1417
NSN 5999-01-374-9505
NSN 5985-01-317-3143
NSN 5915-01-633-9845
NSN 6220-00-169-6516
NSN 6135-01-260-7180
NSN 5999-00-947-6046
NSN 6110-01-429-8568
NSN 6610-00-227-8846
NSN 5925-01-164-0837
NSN 5855-01-566-7431
NSN 6320-00-164-4087