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 5996-01-252-2037
NSN 6145-00-179-2493
NSN 5999-01-444-5242
NSN 5895-00-200-5607
NSN 4140-00-820-1145
NSN 5965-01-618-4939
NSN 6240-01-234-7893
NSN 5998-00-156-1094
NSN 4140-01-384-5267
NSN 6220-00-155-8007
NSN 5895-01-568-2035
NSN 6240-01-305-9257