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 5975-00-419-9812
NSN 6220-01-383-1523
NSN 5895-00-446-2493
NSN 5915-01-095-4069
NSN 5910-01-294-8321
NSN 5910-01-244-0762
NSN 2925-01-424-0235
NSN 5960-00-900-6705
NSN 5930-01-197-8761
NSN 5990-01-360-0711
NSN 5930-01-468-1922
NSN 6150-01-595-7669