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 6645-00-790-0944
NSN 5835-01-084-6997
NSN 6135-00-255-1340
NSN 6240-01-094-2280
NSN 5990-01-365-6016
NSN 5905-01-609-0988
NSN 6610-00-288-5655
NSN 5930-00-722-0657
NSN 4140-00-111-3247
NSN 5960-01-105-8402
NSN 6110-01-220-1660
NSN 5990-00-534-9798