The Ram,hydraulic, cataloged under National Stock Number 4320-01-007-9146, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 9 specifications, 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-007-9146 |
| Primary Part Number | PWA50531-24 |
| Item Name | Ram,hydraulic |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Screw Thread Quantity Per Inch | 12.000 |
| Plunger Diameter | 2.000 INCHES NOMINAL IN |
| Overall Diameter | 3.875 INCHES NOMINAL IN |
| Capacity | 20.0 TONS |
| Extended Height | 8.312 INCHES NOMINAL IN |
| Screw Thread Diameter | 3.875 INCHES NOMINAL IN |
| Retracted Height | 6.312 INCHES NOMINAL IN |
| Screw Thread Series Designator | UN |
| Carrying Handle | NOT INCLUDED |
| 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 |
|---|---|
| PWA50531-24 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| CH202ANDCHP202 | 5/9 Secondary reference Preventive Maintenance Systems |
| RCH202ANDHP2015 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| PWA50531 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| RCH202T | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| RCH-202 AND HP2015 | 3/9 Design control — primary reference Enerpac Tool Group Corp |
| RCH-202T | 5/9 Secondary reference Enerpac Tool Group Corp |
| PCH202T | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
NSN 4320-01-007-9146 is a Ram,hydraulic, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-007-9146 has 1 manufacturer part number on file: PWA50531-24 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for PWA50531-24: Screw Thread Quantity Per Inch: 12.000; Plunger Diameter: 2.000 INCHES NOMINAL IN; Overall Diameter: 3.875 INCHES NOMINAL IN; Capacity: 20.0 TONS. 9 specifications are 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.