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 6145-01-231-4313
NSN 5855-01-387-1928
NSN 6105-01-321-7063
NSN 6220-01-625-1208
NSN 4140-01-432-0292
NSN 5895-00-614-3311
NSN 6620-00-078-4470
NSN 6610-01-290-2627
NSN 5895-01-282-9105
NSN 5950-00-007-2725
NSN 5920-01-246-4645
NSN 6320-01-141-3791