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 5835-01-046-9615
NSN 6150-00-826-8149
NSN 5930-01-087-0317
NSN 4140-00-601-5543
NSN 6240-01-322-4375
NSN 5895-00-518-4954
NSN 5990-01-510-4699
NSN 4140-01-357-9062
NSN 5998-00-323-1289
NSN 5920-00-171-2347
NSN 5925-00-827-0927
NSN 5985-01-369-5407