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 5935-01-335-5936
NSN 6320-00-925-0558
NSN 6645-01-593-3608
NSN 5920-00-398-0766
NSN 6320-01-147-9177
NSN 5895-01-452-7910
NSN 5999-01-502-8775
NSN 6145-00-129-6200
NSN 5960-00-692-2887
NSN 5925-01-315-8874
NSN 5920-00-715-2541
NSN 4140-00-563-7648