The Amplifier,hydraulic, cataloged under National Stock Number 2825-01-252-9457, is classified within Federal Supply Class 2825 (Steam Turbines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Woodward, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 | 2825-01-252-9457 |
| Primary Part Number | 9900-357 |
| Item Name | Amplifier,hydraulic |
| FSC / FSG | 2825 / 28 — Steam Turbines and Components |
| Manufacturer | Woodward, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | ELECTRICALLY CONTROLLED; SPRING LOADED W/5.250 IN. DIA SERVO PISTON; W/INTERNAL ACTUATOR; PART OF HYDRAULIC SYSTEM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 9900-357 PRIMARY | Woodward, Inc. (USA) |
NSN 2825-01-252-9457 is a Amplifier,hydraulic, manufactured by Woodward, Inc., classified under FSC 2825, Steam Turbines and Components. Status: active.
NSN 2825-01-252-9457 has 1 manufacturer part number on file: 9900-357 (Woodward, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-295-6182. Verify interchangeability with system specifications before substitution.
Key specifications for 9900-357: General Characteristics Item Description: ELECTRICALLY CONTROLLED; SPRING LOADED W/5.250 IN. DIA SERVO PISTON; W/INTERNAL ACTUATOR; PART OF HYDRAULIC SYSTEM IN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.