The Transformer,pulse, cataloged under National Stock Number 5950-01-280-9204, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Espey Mfg and Electronics Corp. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-280-9204 |
| Primary Part Number | GE-125-U |
| Item Name | Transformer,pulse |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Espey Mfg and Electronics Corp |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Body Outside Diameter | 0.750 INCHES NOMINAL IN |
| Mounting Method | TERMINAL SINGLE GROUP |
| Inductance Rating | 2.80 MICROHENRIES MINIMUM AND 4.90 MICROHENRIES MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Pulse Repetition Rate | 15.0 KILOHERTZ SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT |
| Body Length | 0.500 INCHES NOMINAL IN |
| DC Resistance Rating in Ohms | 2.000 SINGLE COMPONENT SINGLE PRIMARY |
| DC Resistance Rating in Ohms | 1.000 SINGLE COMPONENT FIRST SECONDARY |
| DC Resistance Rating in Ohms | 1.000 SINGLE COMPONENT SECOND SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Primary to Secondary Turn Ratio | PRIMARY TO SECONDARY 1: 2.5 AND PRIMARY TO SECONDARY 2:2.5 SINGLE COMPONENT |
| Winding Operating Voltage | 18.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Terminal Type and Quantity | 6 PIN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| GE-125-U | Espey Mfg and Electronics Corp (USA) |
| 77C722912P1 | Lockheed Martin Corporation Div Rms (USA) |
| 1288AB | Electronic Transformer Corp Div Electronic Transformer Corporation (USA) |
| Reference | Meaning |
|---|---|
| 77C722912P001 | 7/2 Vendor item drawing reference Lockheed Martin Corporation Div Rms |
| GE-125-U | 3/9 Design control — primary reference U.S. Government activity |
NSN 5950-01-280-9204 is a Transformer,pulse, manufactured by Espey Mfg and Electronics Corp, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-280-9204 has 3 manufacturer part numbers on file: GE-125-U (Espey Mfg and Electronics Corp), 77C722912P1 (Lockheed Martin Corporation Div Rms), 1288AB (Electronic Transformer Corp Div Electronic Transformer Corporation).
Key specifications for GE-125-U: Inclosure Type: FULLY INCLOSED; Body Outside Diameter: 0.750 INCHES NOMINAL IN; Mounting Method: TERMINAL SINGLE GROUP; Inductance Rating: 2.80 MICROHENRIES MINIMUM AND 4.90 MICROHENRIES MAXIMUM SINGLE COMPONENT SINGLE PRIMARY. 14 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.
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.