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 5925-00-938-3447
NSN 5990-01-173-9531
NSN 6650-00-866-9947
NSN 6240-00-146-9322
NSN 6105-01-197-0417
NSN 5975-00-233-6301
NSN 5930-00-213-1644
NSN 5975-00-358-7916
NSN 5935-01-134-2171
NSN 6220-01-427-2333
NSN 5835-01-619-6268
NSN 5835-01-550-5094