The Valve,filter by-Pass, cataloged under National Stock Number 2520-01-175-1925, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Dressta North America Ltd. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Valve,filter by-Pass |
| FSC / FSG | 2520 — Vehicular Power Transmission Components (FSG 25) |
| Manufacturers | Dressta North America Ltd (CAGE 45RP7) |
| Parameter | Value |
|---|---|
| NSN | 2520-01-175-1925 |
| Primary Part Number | 386102561 |
| Item Name | Valve,filter by-Pass |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Dressta North America Ltd |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 386102561 PRIMARY | Dressta North America Ltd (USA) |
| Reference | Meaning |
|---|---|
| 331099 | 5/9 Secondary reference Deluxe Products Div Walker Mfg Co |
| 706950C1 | 5/9 Secondary reference Dressta North America Ltd |
| 706950C1 | 5/9 Secondary reference Komatsu American Intl Co |
| 706950C1 | D/9 Drawing number reference only U.S. Government activity |
NSN 2520-01-175-1925 is a Valve,filter by-Pass, manufactured by Dressta North America Ltd, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-175-1925 has 1 manufacturer part number on file: 386102561 (Dressta North America Ltd).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-372-6841. Verify interchangeability with system specifications before substitution.
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.