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 4140-00-465-7668
NSN 6150-01-464-5039
NSN 6610-01-076-4800
NSN 6150-00-156-6080
NSN 6130-01-502-5912
NSN 6110-00-374-4805
NSN 5835-00-198-4936
NSN 6320-01-449-1014
NSN 6150-01-427-3764
NSN 5920-00-691-7727
NSN 5975-00-718-6039
NSN 7035-01-218-6960