The Transformer,power, cataloged under National Stock Number 5950-00-840-5230, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 27 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-840-5230 |
| Primary Part Number | 1555765 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Transformer Winding Connection Type | WYE-WYE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.985 INCHES MINIMUM AND 3.015 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Power Rating | 1.2 VOLTS-AMPERES SINGLE COMPONENT THIRD SECONDARY |
| Winding Power Rating | 23.13 VOLTS-AMPERES SINGLE COMPONENT SECOND SECONDARY |
| Winding Power Rating | 37.5 VOLTS-AMPERES SINGLE COMPONENT FIRST SECONDARY |
| Input-Output Phase Relationship | THREE PHASE TO SINGLE PHASE AND THREE PHASE TO THREE PHASE SINGLE COMPONENT |
| Mounting Method | THREADED STUD(S) SINGLE GROUP |
| Body Width | 2.344 INCHES MINIMUM AND 2.406 INCHES MAXIMUM IN |
| Body Height | 3.157 INCHES MINIMUM AND 3.219 INCHES MAXIMUM IN |
| Winding Function and Quantity | 1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT |
| Nominal Thread Size | 0.164 INCHES SINGLE GROUP IN |
| Maximum Operating Temp | 105.0 CELSIUS DEGC |
| Body Length | 3.969 INCHES MINIMUM AND 4.031 INCHES MAXIMUM IN |
| Winding Operating Current | 2.5 AMPERES AC NOMINAL SINGLE COMPONENT FIRST SECONDARY |
| Winding Operating Current | 200.0 MILLIAMPERES AC NOMINAL SINGLE COMPONENT THIRD SECONDARY |
| Winding Operating Current | 250.0 MILLIAMPERES AC NOMINAL SINGLE COMPONENT SECOND SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 400.0 HERTZ NOMINAL SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.485 INCHES MINIMUM AND 1.515 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Operating Voltage | 15.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY |
| Winding Operating Voltage | 6.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY |
| Winding Operating Voltage | 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Voltage | 92.50 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY |
| Terminal Type and Quantity | 14 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 |
|---|---|
| 1555765 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 1555765 | Precision Electronics, Inc (USA) |
| Reference | Meaning |
|---|---|
| 1555765 | 5/1 Secondary reference Valcore Manufacturing Llc Dba Use CAGE Code 04ye2 for Cataloging |
| 1555765 | 5/1 Secondary reference Rayco Electronic Manufacturing, Inc. Div Rayco Electronics Mfg Inc |
| 1555765 | 5/1 Secondary reference Precision Specialty Corp |
NSN 5950-00-840-5230 is a Transformer,power, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-840-5230 has 2 manufacturer part numbers on file: 1555765 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 1555765 (Precision Electronics, Inc).
Key specifications for 1555765: Transformer Winding Connection Type: WYE-WYE; Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.985 INCHES MINIMUM AND 3.015 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 27 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.