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 5996-01-239-3928
NSN 5855-01-526-0131
NSN 5910-00-075-0977
NSN
NSN 6650-01-644-2104
NSN 6150-01-509-9269
NSN 5950-01-447-5806
NSN 6110-00-375-5667
NSN 6220-01-550-9053
NSN 6110-00-753-7677
NSN 5985-01-364-0961
NSN 6130-00-834-0142