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 5998-01-469-7839
NSN 5855-01-605-2438
NSN 5990-00-825-2882
NSN 5990-01-257-2476
NSN 4140-00-347-6807
NSN 5950-01-492-9908
NSN 5930-00-077-8480
NSN 6135-00-235-1938
NSN 6220-01-066-1193
NSN 5960-01-276-2828
NSN 5910-01-235-5951
NSN 5950-01-476-8851