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 5990-00-724-8812
NSN 6650-00-256-9059
NSN 6240-01-444-2227
NSN 5925-01-450-5896
NSN 5930-01-567-9359
NSN 5895-01-124-9251
NSN 2925-01-090-2391
NSN 6650-01-473-7723
NSN 5920-00-648-6767
NSN 5985-00-175-0350
NSN 5996-01-486-9030
NSN 7035-00-553-6951