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 4140-01-325-0021
NSN 6320-01-138-0442
NSN 5950-01-121-1051
NSN 5960-01-567-1096
NSN 6240-01-301-0717
NSN 6220-01-139-7340
NSN 5935-01-196-8790
NSN 6320-00-036-3688
NSN 6650-01-602-5070
NSN 6220-01-585-6556
NSN 5895-01-220-6354
NSN 7035-00-193-2269