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 6220-01-281-0349
NSN 6130-00-230-1781
NSN 5965-00-925-1725
NSN 5905-00-431-6847
NSN 5915-00-276-8332
NSN 6240-00-168-1474
NSN 6150-01-412-0606
NSN 5998-00-081-8208
NSN 5950-01-513-1982
NSN 7035-01-169-6551
NSN 5975-00-845-6224
NSN 5935-00-073-0677