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 6240-01-452-9418
NSN 6240-01-022-3917
NSN 6620-01-493-2312
NSN 6110-01-161-1570
NSN 5975-00-178-1584
NSN 6135-00-152-8729
NSN 6650-00-226-7099
NSN 5915-00-775-4063
NSN 5950-01-464-4196
NSN 6620-00-189-2381
NSN 6105-01-217-4189
NSN 5999-00-296-9987