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 5990-01-482-5950
NSN 6685-00-409-2283
NSN 5975-01-506-2045
NSN 6110-00-075-7880
NSN 5930-00-147-6105
NSN 5915-00-525-5753
NSN 5855-01-569-8072
NSN 6150-00-473-0643
NSN 6650-01-381-7296
NSN 6145-01-206-2350
NSN 5960-01-275-7552
NSN 5975-00-499-0791