The Transformer,power, cataloged under National Stock Number 5950-01-330-7691, 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 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5950-01-330-7691 |
| Primary Part Number | 19276 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Robert M. Hadley Company, Inc. |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | TERMINAL SINGLE GROUP |
| Body Width | 0.600 INCHES MAXIMUM IN |
| Body Height | 0.670 INCHES MAXIMUM IN |
| Winding Function and Quantity | 1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT |
| Winding Shielding Method | INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT |
| Maximum Operating Temp | 125.0 CELSIUS DEGC |
| Body Length | 0.650 INCHES MAXIMUM IN |
| Winding Operating Current | 300.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY |
| Winding Operating Current | 300.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY |
| Winding Operating Current | 175.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 25.0 KILOHERTZ NOMINAL SINGLE COMPONENT |
| Winding Operating Voltage | 11.94 AC VOLTS MINIMUM AND 12.06 AC VOLTS MAXIMUM SINGLE COMPONENT FIRST SECONDARY |
| Winding Operating Voltage | 12.01 AC VOLTS MINIMUM AND 12.50 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Voltage | 12.62 AC VOLTS MINIMUM AND 13.14 AC VOLTS MAXIMUM SINGLE COMPONENT SECOND SECONDARY |
| Winding Operating Voltage | 12.62 AC VOLTS MINIMUM AND 13.14 AC VOLTS MAXIMUM SINGLE COMPONENT THIRD SECONDARY |
| Terminal Type and Quantity | 9 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 |
|---|---|
| 19276 | Robert M. Hadley Company, Inc. (USA) |
| 5T390 | Rayco Electronic Manufacturing, Inc. Div Rayco Electronics Mfg Inc (USA) |
| Reference | Meaning |
|---|---|
| 841308-1 | 3/9 Design control — primary reference Litton Systems Inc. Div Navigation Systems Division |
NSN 5950-01-330-7691 is a Transformer,power, manufactured by Robert M. Hadley Company, Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-330-7691 has 2 manufacturer part numbers on file: 19276 (Robert M. Hadley Company, Inc.), 5T390 (Rayco Electronic Manufacturing, Inc. Div Rayco Electronics Mfg Inc).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-547-8504. Verify interchangeability with system specifications before substitution.
Key specifications for 19276: Inclosure Type: FULLY INCLOSED; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Mounting Method: TERMINAL SINGLE GROUP; Body Width: 0.600 INCHES MAXIMUM IN. 19 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.