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 5910-01-568-2173
NSN 5910-00-364-6995
NSN 5996-01-161-4882
NSN 5945-01-542-9117
NSN 5985-01-032-8530
NSN 5920-01-263-0310
NSN 6240-01-253-0687
NSN 5920-01-381-1306
NSN 5950-00-990-8708
NSN 5935-01-495-4281
NSN 6645-01-229-9769
NSN 4140-01-011-1019