The Valve Bank Transmission, cataloged under National Stock Number 2520-01-359-5639, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-01-359-5639 |
| Item Name | Valve Bank Transmission |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Status | ACTIVE |
| General Characteristics Item Description | VALVE SECTION 2; O-RINGS 25; GUIDE 4; SPRING 2; SHAFT 2; CAP 2; VALVE SECTION -OUTLET 1; SHIM 6; PLUG 1; VALVE SECTION INLET 1; BALL 2; RETAINER 2; BRACKET 2; TIE ROD 3; WASHER 6; NUT-HEX 6 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1355980 | 3/9 Design control — primary reference Cleveland Trencher Co Inc |
| MU3-NI-25K-25K-SC | 5/9 Secondary reference Automotive Inc Fluid Power Systems Components Div Sub of United Technologies Corp |
NSN 2520-01-359-5639 is a Valve Bank Transmission, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4710-01-460-0273. Verify interchangeability with system specifications before substitution.
Key specifications for 2520-01-359-5639: General Characteristics Item Description: VALVE SECTION 2; O-RINGS 25; GUIDE 4; SPRING 2; SHAFT 2; CAP 2; VALVE SECTION -OUTLET 1; SHIM 6; PLUG 1; VALVE SECTION INLET 1; BALL 2; RETAINER 2; BRACKET 2; TIE ROD 3; WASHER 6; NUT-HEX 6. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.