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 6130-01-337-6194
NSN 4140-01-151-6035
NSN 5935-01-143-9177
NSN 6240-00-660-8467
NSN 5925-01-599-2516
NSN 5835-01-147-7526
NSN 6610-01-618-7038
NSN 6110-01-440-1519
NSN 5905-01-462-1214
NSN 6610-01-084-6738
NSN 5835-00-841-2650
NSN 6150-00-636-8938