The Pump,centrifugal, cataloged under National Stock Number 4320-01-374-1237, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Triumph Thermal Systems, Llc. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-374-1237 |
| Primary Part Number | U541639 |
| Item Name | Pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Triumph Thermal Systems, Llc |
| Status | ACTIVE |
| Media for Which Designed | LIQUID |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| U541639 PRIMARY | Triumph Thermal Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| 8604M1 | D/9 Drawing number reference only Cef Industries, Llc Dba Cef Industries Inc |
| 8604-53 | 5/9 Secondary reference Cef Industries, Llc Dba Cef Industries Inc |
| 8604M1 | 5/9 Secondary reference Osram Gmbh |
| 8604M1 | 5/9 Secondary reference Osram Gesellschaft Mit Beschrankter Haftung |
NSN 4320-01-374-1237 is a Pump,centrifugal, manufactured by Triumph Thermal Systems, Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-374-1237 has 1 manufacturer part number on file: U541639 (Triumph Thermal Systems, Llc).
Key specifications for U541639: Special Features: PUMP PROVIDES COOLANT,PRESSURE 240 POUNDS PER SQUARE INCH GAGE,180 DEGREES FAHRENHEIT,BURST PRESSURE 400 POUNDS PER SQUARE INCH GAGE,180 DEGREE'S FAHRENHEIT LBS; End Item Identification: PACER SPECIAL; Media for Which Designed: LIQUID. 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 4320-01-374-1237 has DEMIL Code D. 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.