The Fan,centrifugal, cataloged under National Stock Number 4140-01-074-8948, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Motor Magnetics, Inc. Dba Motor Magnetics Corp. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-074-8948 |
| Primary Part Number | 23MB-0539 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Motor Magnetics, Inc. Dba Motor Magnetics Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 23MB-0539 | Motor Magnetics, Inc. Dba Motor Magnetics Corp (USA) |
| 12271649 | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| Reference | Meaning |
|---|---|
| 033357000 | 3/2 Design control — primary reference U.S. Government activity |
| 033357 | 5/9 Secondary reference U.S. Government activity |
| C5A1Q-3C | 5/9 Secondary reference Ashland Electric Products Inc |
NSN 4140-01-074-8948 is a Fan,centrifugal, manufactured by Motor Magnetics, Inc. Dba Motor Magnetics Corp, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-074-8948 has 2 manufacturer part numbers on file: 23MB-0539 (Motor Magnetics, Inc. Dba Motor Magnetics Corp), 12271649 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 23MB-0539: End Item Identification: M1,M1A1,TRU OIP,XM1 TANK,XM1 TIS TRU,GPS M1A1,GPS,OIP. 0 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 4140-01-074-8948 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.