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 6240-00-068-0249
NSN 5915-01-633-9845
NSN 5835-01-416-6455
NSN 6150-00-880-1115
NSN 5996-01-277-8977
NSN 5965-01-549-2754
NSN 6610-00-259-2992
NSN 6145-00-952-9290
NSN 6145-00-635-9957
NSN 5950-00-409-9361
NSN 5965-00-233-3851
NSN 6650-01-391-7527