The Transformer,power, cataloged under National Stock Number 5950-01-019-5318, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Robert M. Hadley Company, Inc.. Government technical data includes 23 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5950-01-019-5318 |
| Primary Part Number | 17880 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Robert M. Hadley Company, Inc. |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Body Outside Diameter | 1.090 INCHES MAXIMUM IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | CORE AND THREADED HOLE(S) SINGLE GROUP |
| Winding Function and Quantity | 1 PRIMARY AND 5 SECONDARY SINGLE COMPONENT |
| Nominal Thread Size | 0.112 INCHES SINGLE GROUP IN |
| Maximum Operating Temp | 85.0 CELSIUS DEGC |
| Body Length | 0.660 INCHES MAXIMUM IN |
| Winding Operating Current | 10.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Current | 353.5 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY |
| Winding Operating Current | 353.5 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY |
| Winding Operating Current | 353.5 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY |
| Winding Operating Current | 353.5 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 4.8 KILOHERTZ NOMINAL SINGLE COMPONENT |
| Winding Operating Voltage | 1.44 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY |
| Winding Operating Voltage | 1.44 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY |
| Winding Operating Voltage | 1.44 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY |
| Winding Operating Voltage | 1.92 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY |
| Winding Operating Voltage | 35.35 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Terminal Type and Quantity | 13 TURRET |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP |
| 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 |
|---|---|
| 17880 PRIMARY | Robert M. Hadley Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 984780-1B | 5/2 Secondary reference U.S. Government activity |
NSN 5950-01-019-5318 is a Transformer,power, manufactured by Robert M. Hadley Company, Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-019-5318 has 1 manufacturer part number on file: 17880 (Robert M. Hadley Company, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4810-01-297-0004. Verify interchangeability with system specifications before substitution.
Key specifications for 17880: Mounting Facility Quantity: 1 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Body Outside Diameter: 1.090 INCHES MAXIMUM IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 23 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.