The Synchro Resolver, cataloged under National Stock Number 4920-01-220-4507, 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 Data Device Corp Dba Beta Transformer Technology. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 4920-01-220-4507 |
| Primary Part Number | 24895 |
| Item Name | Synchro Resolver |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Data Device Corp Dba Beta Transformer Technology |
| Status | ACTIVE |
| General Characteristics Item Description | 10.000 IN. O/A L; 14.000 IN. O/A W; 4.000 IN. O/A H; WT 10 LBS LBS |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY THE SOURCE CONTROL DWG NO. |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 24895 | Data Device Corp Dba Beta Transformer Technology (USA) |
| A31U29134-3 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA) |
| A31U29134-3 | Northrop Grumman Systems Corporation (USA) |
NSN 4920-01-220-4507 is a Synchro Resolver, manufactured by Data Device Corp Dba Beta Transformer Technology, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-220-4507 has 3 manufacturer part numbers on file: 24895 (Data Device Corp Dba Beta Transformer Technology), A31U29134-3 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple), A31U29134-3 (Northrop Grumman Systems Corporation).
1 possible match (shared part number, not a government interchangeability claim): 4440-01-633-1413. Verify interchangeability with system specifications before substitution.
Key specifications for 24895: General Characteristics Item Description: 10.000 IN. O/A L; 14.000 IN. O/A W; 4.000 IN. O/A H; WT 10 LBS LBS; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY THE SOURCE CONTROL DWG NO.. 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 4920-01-220-4507 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.