The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-626-7940, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5950-00-626-7940 |
| Primary Part Number | 7644919P1 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 3.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Mounting Method | THREADED STUD(S) SINGLE GROUP |
| Body Width | 4.310 INCHES MAXIMUM IN |
| Body Height | 6.810 INCHES MAXIMUM IN |
| Maximum Transformer Power Rating | 800.0 MILLIWATTS SINGLE COMPONENT |
| Winding Function and Quantity | 4 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Nominal Thread Size | 0.250 INCHES SINGLE GROUP IN |
| Body Length | 5.060 INCHES MAXIMUM IN |
| Winding Operating Current | 200.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT ALL PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 3.0 KILOHERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 3.370 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Thread Quantity Per Inch | 20 SINGLE GROUP |
| Terminal Type and Quantity | 37 TAB, SOLDER LUG |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7644919P1 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| 7644919P001 | General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp (USA) |
| Reference | Meaning |
|---|---|
| 9T35Y2230 | 5/9 Secondary reference General Electric Co Specialty Transformer Dept |
NSN 5950-00-626-7940 is a Transformer,audio Frequency, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-626-7940 has 2 manufacturer part numbers on file: 7644919P1 (Lockheed Martin Corporation Div Rms), 7644919P001 (General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp).
Key specifications for 7644919P1: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 3.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Mounting Method: THREADED STUD(S) SINGLE GROUP. 17 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5950-00-626-7940 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.