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 4140-00-699-0904
NSN 6620-01-608-8548
NSN 6620-00-500-0041
NSN 5945-01-338-2502
NSN 6240-00-813-6328
NSN 5905-01-391-9473
NSN 6620-00-714-6966
NSN 5935-01-037-7822
NSN 5910-01-417-2597
NSN 5950-01-421-4138
NSN 6130-01-431-7738
NSN 6220-01-059-1393