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| Item Name | Piston Valve Selector |
| Federal Supply Group (FSG) | Vehicular Equipment Components |
| Federal Supply Class (FSC) | 2520 Vehicle Power Transmission Components |
| National Item Identification Number (NIIN) | 01-239-1175 (012391175) |
| NCB Code | USA (01) |
| Manufacturer | Twin Disc Incorporated, Marine And Industrial Transmissions Lt |
| MRC | Criteria | Characteristic |
|---|---|---|
| AGAV | END ITEM IDENTIFICATION | TWIN DISC HYDRAULIC TRANSMISSION MODEL TDC-20-2800 |
| FTLD | FUNCTIONAL DESCRIPTION | PRESSURE RATE CONTROL PISTON |
| RTSE | RELATIONSHIP TO SIMILAR EQUIPMENT | SIMILAR TO NSN 2520-00-902-1917 P/N B1399 |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | STEEL AISI C1117; CASEHARDENED; 1.375 IN. O/A LG; 1.166 IN. MIN 1.176 IN. MAX INSIDE LG; 1.340 IN. MIN 1.350 IN. MAX STEP OD; 1.3726 IN. MIN 1.3730 IN. MAX SLEEVE OD; 1.0625 SLEEVE ID |
| Relevant Components for NSN - 2520-01-239-1175, 2520012391175 | ||||
| 2520-00-457-8411 (2520004578411) | 2520-00-118-5154 (2520001185154) | 2530-12-171-0832 (2530121710832) | 2510-01-438-9781 (2510014389781) | |
| 2530-01-566-9909 (2530015669909) | 2540-01-598-3017 (2540015983017) | 2590-01-585-0727 (2590015850727) | 2520-00-708-4183 (2520007084183) | |
| 2540-01-532-8868 (2540015328868) | 2530-01-118-7526 (2530011187526) | 2510-01-275-4079 (2510012754079) | 2530-01-521-7899 (2530015217899) | |
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