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 5996-01-633-7979
NSN 5960-00-764-7164
NSN 5915-01-122-4591
NSN 5920-00-784-5214
NSN 5895-00-121-3366
NSN 5935-01-226-9739
NSN 6650-00-717-8913
NSN 4140-01-547-5589
NSN 6220-01-634-0660
NSN 6650-01-258-0811
NSN 4140-01-474-7950
NSN 5915-01-397-9978