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 5910-01-571-7621
NSN 5910-00-636-4697
NSN 5915-01-186-7344
NSN 6130-01-362-4657
NSN 5960-01-325-2241
NSN 4140-00-001-1536
NSN 5915-01-097-5277
NSN 6240-01-550-1178
NSN 5930-00-602-8861
NSN 4140-01-138-0099
NSN 6240-01-155-2959
NSN 6650-00-067-3572