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 5990-00-051-7527
NSN 6110-00-397-7531
NSN 5930-01-440-0167
NSN 5960-01-605-9921
NSN 6145-01-629-3031
NSN 6150-01-032-4161
NSN 5835-01-616-6131
NSN 7035-01-083-0282
NSN 5960-00-642-9977
NSN 5935-01-656-8147
NSN 5925-00-353-0612
NSN 5895-01-607-1035