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 6150-01-066-4304
NSN 4140-00-248-9441
NSN 5950-01-120-4668
NSN 5998-01-492-7960
NSN 6610-00-693-7744
NSN 6220-00-189-6561
NSN 5855-01-486-9924
NSN 5985-00-496-3822
NSN 5996-01-023-0537
NSN 5855-01-396-8734
NSN 5920-01-313-1207
NSN 5945-01-572-3238