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 5975-00-143-4658
NSN 6130-01-032-3966
NSN 5895-01-274-7460
NSN 6135-01-315-9214
NSN 6650-00-474-7420
NSN 5920-00-614-9281
NSN 5945-01-297-5990
NSN 5915-00-006-9254
NSN 5935-01-201-4810
NSN 6130-00-782-0353
NSN 6320-01-476-7702
NSN 5945-01-346-3831