The Motor,stepper,aircr, cataloged under National Stock Number 4920-01-573-8712, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Empire Magnetics Inc. Dba Empire Magnetics. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Motor,stepper,aircr |
| FSC / FSG | 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment (FSG 49) |
| Manufacturers | Empire Magnetics Inc. Dba Empire Magnetics (CAGE 0YMU1) |
| Parameter | Value |
|---|---|
| NSN | 4920-01-573-8712 |
| Primary Part Number | S/PT-U33-R/050512RFA-E |
| Item Name | Motor,stepper,aircr |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Empire Magnetics Inc. Dba Empire Magnetics |
| 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 | V |
| Part Number | Manufacturer |
|---|---|
| S/PT-U33-R/050512RFA-E PRIMARY | Empire Magnetics Inc. Dba Empire Magnetics (USA) |
| Reference | Meaning |
|---|---|
| SPTU33-R-050512RFA-E | 3/9 Design control — primary reference Empire Magnetics Inc. Dba Empire Magnetics |
NSN 4920-01-573-8712 is a Motor,stepper,aircr, manufactured by Empire Magnetics Inc. Dba Empire Magnetics, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-573-8712 has 1 manufacturer part number on file: S/PT-U33-R/050512RFA-E (Empire Magnetics Inc. Dba Empire Magnetics).
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 4920-01-573-8712 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.