The Pump Coolant Purif, cataloged under National Stock Number 4470-01-325-4271, is classified within Federal Supply Class 4470 (Nuclear Reactors) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4470-01-325-4271 |
| Primary Part Number | L000357 |
| Item Name | Pump Coolant Purif |
| FSC / FSG | 4470 / 44 — Nuclear Reactors |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | SELECTED AND TESTED FOR NUCLEAR PROPULSION PLANT SYSTEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | C |
| Part Number | Manufacturer |
|---|---|
| L000357 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| L001090 | 3/1 Design control — primary reference Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| L001079 | 5/1 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Div Epd |
NSN 4470-01-325-4271 is a Pump Coolant Purif, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4470, Nuclear Reactors. Status: active.
NSN 4470-01-325-4271 has 1 manufacturer part number on file: L000357 (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
1 possible match (shared part number, not a government interchangeability claim): 4470-01-597-6401. Verify interchangeability with system specifications before substitution.
Key specifications for L000357: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: SELECTED AND TESTED FOR NUCLEAR PROPULSION PLANT SYSTEMS. 2 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.
NSN 4470-01-325-4271 has DEMIL Code F. 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.