The Transformer,power, cataloged under National Stock Number 5950-01-104-7475, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-104-7475 |
| Primary Part Number | 18091 |
| 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 | HERMETICALLY SEALED |
| Body Outside Diameter | 2.550 INCHES MAXIMUM IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | THREADED HOLE(S) SINGLE GROUP |
| Winding Function and Quantity | 2 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Winding Shielding Method | INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT |
| Nominal Thread Size | 0.190 INCHES SINGLE GROUP IN |
| Body Length | 2.600 INCHES MAXIMUM IN |
| Winding Operating Current | 0.06 AMPERES AC MAXIMUM SINGLE COMPONENT ALL PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 60.0 HERTZ NOMINAL SINGLE COMPONENT |
| Thread Quantity Per Inch | 32 SINGLE GROUP |
| Winding Operating Voltage | 17.16 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Winding Operating Voltage | 36.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY |
| Terminal Type and Quantity | 9 TURRET |
| Thread Series Designator | UNF 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 |
|---|---|
| 18091 | Robert M. Hadley Company, Inc. (USA) |
| P4497 | Sigma Electronics, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 0172-3-1113-030 | 5/9 Secondary reference Ail Systems Inc Sub of Eaton Corp |
| 0172-3-1113-030 | 3/9 Design control — primary reference Usacecom Intelligence Electronic Warfare Sensors Directorate |
NSN 5950-01-104-7475 is a Transformer,power, manufactured by Robert M. Hadley Company, Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-104-7475 has 2 manufacturer part numbers on file: 18091 (Robert M. Hadley Company, Inc.), P4497 (Sigma Electronics, Inc.).
5 possible matches (shared part number, not a government interchangeability claim): 5998-01-363-6561, 6150-01-513-5396, 5925-01-549-6326. Verify interchangeability with system specifications before substitution.
Key specifications for 18091: Mounting Facility Quantity: 1 SINGLE GROUP; Inclosure Type: HERMETICALLY SEALED; Body Outside Diameter: 2.550 INCHES MAXIMUM IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 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.
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.