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 2925-01-604-8984
NSN 5960-00-717-1329
NSN 5895-01-087-6335
NSN 4140-00-468-5342
NSN 5960-01-512-0233
NSN 5998-01-472-2146
NSN 5998-01-258-5542
NSN 5855-01-234-5346
NSN 5920-01-518-4230
NSN 5855-00-188-6747
NSN 6130-00-763-9613
NSN 5905-01-605-1283