The Transformer,power, cataloged under National Stock Number 5950-01-330-8706, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-01-330-8706 |
| Primary Part Number | 19289 |
| 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 |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.080 INCHES MINIMUM AND 1.100 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Power Rating | 28.28 VOLTS-AMPERES SINGLE COMPONENT SINGLE SECONDARY |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | THREADED HOLE(S) SINGLE GROUP |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Nominal Thread Size | 0.112 INCHES SINGLE GROUP IN |
| Maximum Operating Temp | 85.0 CELSIUS DEGC |
| Winding Operating Current | 2.0 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 25.0 KILOHERTZ NOMINAL SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.080 INCHES MINIMUM AND 1.100 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Test Data Document | 13973-841325 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Winding Operating Voltage | 14.14 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Winding Operating Voltage | 28.28 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Terminal Type and Quantity | 5 TURRET |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP |
| Hazardous Locations/environmental Protection | SALT SPRAY RESISTANT AND VIBRATION RESISTANT |
| 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 |
|---|---|
| 19289 | Robert M. Hadley Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 841325-0001 | 3/9 Design control — primary reference Litton Systems Inc. Div Navigation Systems Division |
NSN 5950-01-330-8706 is a Transformer,power, manufactured by Robert M. Hadley Company, Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-330-8706 has 1 manufacturer part number on file: 19289 (Robert M. Hadley Company, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5340-01-344-0794, 2540-01-656-9899. Verify interchangeability with system specifications before substitution.
Key specifications for 19289: Overall Height: 1.650 INCHES MAXIMUM IN; Mounting Facility Quantity: 1 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.080 INCHES MINIMUM AND 1.100 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP 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.