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39 In. Length Nut X 1.5-6H Thd. RD20 21 Hex Size Models RT40-145 54.63 In. Width
| Hex Size | 21 |
| Models | RT40-145 |
| Thickness | 21 |
| Thread Size | 39 x 1.5-6H Thd. |
| WIDTH ACROSS FLATS | 54.63 |
| Length | 39 |
| Brand | Part Number |
|---|---|
| 2000-231-C, TDA 40X1237, TDA40X1237, 40-X-1237 | |
| Freightliner | TDA 40X1237, TDA40X1237 |
| Genuine Newstar | ROR-40-X-1237, S-A213, SA213 |
| International | 2000-231-C, 2000231C1 |
| Meritor | 40-X-1237, 823540X1237, ROK40X1237 |
| PAI | 22610, ER22610, PAIER22610 |
| Rockwell International | ROR40X1237 |
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