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 5975-01-418-2527
NSN 5996-00-925-1953
NSN 6135-01-379-8582
NSN 5835-00-192-9568
NSN 4140-01-375-9921
NSN 5975-01-532-6596
NSN 6220-00-935-6881
NSN 6220-01-571-7526
NSN 5945-01-633-1886
NSN 5985-00-144-8170
NSN 5950-01-204-6612
NSN 5965-00-338-4259