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 5945-00-682-4375
NSN 4140-00-874-2427
NSN 5935-01-513-8861
NSN 6320-01-476-0686
NSN 5950-00-787-4431
NSN 2925-00-684-7708
NSN 4140-01-077-3981
NSN 5930-00-424-5919
NSN 6620-01-454-5717
NSN 5930-01-023-1826
NSN 5915-00-175-8657
NSN 5915-01-425-1401