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 5990-00-296-4825
NSN 6320-01-039-5891
NSN 5950-01-075-3308
NSN 6220-01-519-9305
NSN 5999-00-952-5000
NSN 6620-01-598-2271
NSN 6135-01-045-1504
NSN 5910-01-157-4750
NSN 5905-00-186-0942
NSN 6150-00-216-6542
NSN 5915-00-543-9675
NSN 6110-01-503-0450