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 5999-00-633-7592
NSN 5855-01-143-4470
NSN 6135-01-151-2705
NSN 5855-01-406-7237
NSN 5998-01-181-5744
NSN 5998-01-142-7160
NSN 6220-00-179-9104
NSN 5998-00-267-1044
NSN 6650-00-933-8744
NSN 5930-00-483-4389
NSN 6130-00-244-1406
NSN 5950-00-840-2616