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 6240-01-305-9257
NSN 5965-01-633-8849
NSN 5925-00-215-3758
NSN 7035-01-372-5006
NSN 6105-01-493-4224
NSN 5960-01-453-6170
NSN 5925-00-621-0134
NSN 6110-00-209-7241
NSN 5930-01-597-6138
NSN 6650-01-362-4289
NSN 6320-01-374-9924
NSN 6110-00-603-1726