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 5985-00-066-7616
NSN 6130-01-237-5435
NSN 5930-01-020-8068
NSN 6150-00-538-9887
NSN 6220-01-640-6930
NSN 5855-00-408-2611
NSN 6135-01-322-4655
NSN 5998-00-145-4001
NSN 6110-01-346-0028
NSN 6135-01-454-9408
NSN 5930-01-350-8316
NSN 6150-01-605-2061