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 6620-01-426-2220
NSN 5945-01-112-0190
NSN 6105-00-467-8348
NSN 5905-01-096-3054
NSN 6150-01-117-7618
NSN 6610-00-935-7131
NSN 6105-01-634-0322
NSN 2925-00-656-3224
NSN 5925-00-828-5304
NSN 5920-01-446-4524
NSN 5835-01-183-7467
NSN 6240-00-852-4870