The Power Supply A4, cataloged under National Stock Number 1680-01-649-5138, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is General Atomics Dba General Atomics Corp. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Power Supply A4 |
| FSC / FSG | 1680 — Miscellaneous Aircraft Accessories and Components (FSG 16) |
| Manufacturers | Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba (CAGE 21439); General Atomics Dba General Atomics Corp (CAGE 4V360); North Atlantic Industries Inc Transmagnetics Div (CAGE 17755) |
| Parameter | Value |
|---|---|
| NSN | 1680-01-649-5138 |
| Primary Part Number | 3890AS003029-01 |
| Item Name | Power Supply A4 |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | General Atomics Dba General Atomics Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | V |
| Part Number | Manufacturer |
|---|---|
| 3890AS003029-01 | Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba (USA) |
| 3890AS003029-01 PRIMARY | General Atomics Dba General Atomics Corp (USA) |
| 56JS1-024H1 PRIMARY | North Atlantic Industries Inc Transmagnetics Div (USA) |
| Reference | Meaning |
|---|---|
| 01D2919H01 | 7/2 Vendor item drawing reference Curtiss-Wright Electro-Mechanical Corporation Dba Advanced Products and Systems Division Div Advanced Products and Systems |
| 3890AS003029-01 | 5/1 Secondary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 1680-01-649-5138 is a Power Supply A4, manufactured by General Atomics Dba General Atomics Corp, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-649-5138 has 3 manufacturer part numbers on file: 3890AS003029-01 (Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba), 3890AS003029-01 (General Atomics Dba General Atomics Corp), 56JS1-024H1 (North Atlantic Industries Inc Transmagnetics Div).
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 1680-01-649-5138 has DEMIL Code Q. 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.