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 5990-01-473-4314
NSN 5985-01-490-3027
NSN 6610-01-121-4925
NSN 5998-01-627-0609
NSN 6150-01-198-3818
NSN 5910-01-223-6373
NSN 6685-01-168-8194
NSN 6150-01-326-9144
NSN 6650-01-585-1716
NSN 5998-00-344-1675
NSN 5835-01-066-5337
NSN 4140-01-137-2606