|
| 659 06 | ADAPTERS |
| 659 16 | BANDS |
| 659 17 | BENDS |
| 659 24 | BUSHINGS |
| 659 27 | CAPS |
| 659 30 | CONNECTORS |
| 659 33 | COUPLINGS |
| 659 36 | CROSSES, CROSSOVERS, CURVES |
| 659 39 | ELBOWS, MISCELLANEOUS |
| 659 40 | ELBOWS, STEEL |
| 659 41 | ELBOWS, OTHER THAN STEEL |
| 659 42 | ELLS |
| 659 43 | EXTENSIONS, PIPE |
| 659 44 | FERRULES, FLANGES, GLANDS |
| 659 47 | HUBS, INCREASERS, INSERTS, JOINTS |
| 659 50 | LATERALS, NIPPLES |
| 659 51 | LINING, PIPE, CEMENT, CURE-IN-PLACE, EPOXY, TRENCHLESS, ETC. |
| 659 54 | OFFSETS, PLUGS, PIPE RESTS |
| 659 55 | PIPE REPAIR CLAMPS, COUPLINGS, LEAK KITS, ETC. |
| 659 65 | REDUCERS |
| 659 73 | SADDLES, SLEEVES, STRAPS |
| 659 78 | TUBING FITTINGS: BRASS, BRONZE, AND COPPER |
| 659 79 | TUBING FITTINGS, PLASTIC, PVC |
| 659 80 | TUBING FITTINGS, STAINLESS STEEL |
| 659 81 | TUBING FITTINGS, STEEL |
| 659 83 | TEES, COMPRESSION, MISCELLANEOUS |
| 659 84 | TEES, STEEL |
| 659 85 | TEES, OTHER THAN STEEL |
| 659 87 | UNIONS |
| 659 90 | VEES (V) |
| 659 94 | WYES (Y) |
| 659 96 | RECYCLED PIPE AND TUBING FITTINGS |
| 659 97 | PIPE FITTINGS, MISC. (NOT OTHERWISE CLASSIFIED) |