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 5910-00-937-9627
NSN 6320-01-539-4789
NSN 4140-01-523-1944
NSN 5930-01-082-7850
NSN 5915-01-531-7312
NSN 6650-01-207-2905
NSN 5990-00-424-8872
NSN 5910-01-086-2771
NSN 6145-01-121-0466
NSN 7035-01-443-3052
NSN 5985-00-246-3875
NSN 5990-01-116-2181