The Power Unit,ram Air,emergency, cataloged under National Stock Number 1650-01-357-1182, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 1650-01-357-1182 |
| Item Name | Power Unit,ram Air,emergency |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| General Characteristics Item Description | RAM AIR TURBINE IS MOUNTED ON THE NOSE SECTION OF THE STORE; IT IS A PROPELLER TYPE RAM AIR DRIVEN POWER SOURCE FOR THE HYDRAULIC PUMP; THE TURBINE HAS A MECHANICAL FEATURE WHICH GOVERNS ITS SPEED FROM 3600 TO 5000 RPM; TURBINE HAS FOUR SYMMETRICALLY ARRANGED BLADE ASSYS POWERING A COMMON SHAFT; AN EXTERNAL SPLINE MATES WITH THE HYDRAULIC PUMP; SIX THREADED TURBINE STUDS PROVIDE MOUNTING THROUGH THE NOSE SECTION CASTING AND HYDRAULIC PUMP RPM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Reference | Meaning |
|---|---|
| 241970 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1650-01-357-1182 is a Power Unit,ram Air,emergency, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5998-01-377-7127. Verify interchangeability with system specifications before substitution.
Key specifications for 1650-01-357-1182: General Characteristics Item Description: RAM AIR TURBINE IS MOUNTED ON THE NOSE SECTION OF THE STORE; IT IS A PROPELLER TYPE RAM AIR DRIVEN POWER SOURCE FOR THE HYDRAULIC PUMP; THE TURBINE HAS A MECHANICAL FEATURE WHICH GOVERNS ITS SPEED FROM 3600 TO 5000 RPM; TURBINE HAS FOUR SYMMETRICALLY ARRANGED BLADE ASSYS POWERING A COMMON SHAFT; AN EXTERNAL SPLINE MATES WITH THE HYDRAULIC PUMP; SIX THREADED TURBINE STUDS PROVIDE MOUNTING THROUGH THE NOSE SECTION CASTING AND HYDRAULIC PUMP RPM; End Item Identification: AIRCRAFT MODEL A-4. 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.
NSN 1650-01-357-1182 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.