The Unloa Er,pump, cataloged under National Stock Number 4310-00-035-7295, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Unloa Er,pump |
| FSC / FSG | 4310 — Compressors and Vacuum Pumps (FSG 43) |
| Manufacturers | Curtiss-Wright Electro-Mechanical Corporation Div Epd (CAGE 0UBG9) |
| Parameter | Value |
|---|---|
| NSN | 4310-00-035-7295 |
| Primary Part Number | N438PCU57 |
| Item Name | Unloa Er,pump |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| N438PCU57 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| N438PCU57 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| U57-1B125DC | 5/9 Secondary reference U.S. Government activity |
| U57-1B125DC | 5/9 Secondary reference Ingersoll-Rand Company Dba Rotary Compressor Division |
| U57-1B125DC | 5/9 Secondary reference Ingersoll Rand Co |
| N438PCU57 | 5/9 Secondary reference Ingersoll Rand Co |
| N438PCU57 | 5/9 Secondary reference U.S. Government activity |
| N438PCU57 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4310-00-035-7295 is a Unloa Er,pump, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-00-035-7295 has 1 manufacturer part number on file: N438PCU57 (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
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.