The Transformer,power, cataloged under National Stock Number 5950-01-305-3187, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Sigma Electronics, Inc.. Government technical data includes 24 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-305-3187 |
| Primary Part Number | PW5302 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Sigma Electronics, Inc. |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SECOND GROUP |
| Mounting Facility Quantity | 14 FIRST GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.250 INCHES NOMINAL SECOND MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Input-Output Phase Relationship | THREE PHASE TO THREE PHASE SINGLE COMPONENT |
| Mounting Method | UNTHREADED HOLE(S) SECOND GROUP |
| Mounting Method | BRACKET(S) FIRST GROUP |
| Mounting Hole Diameter | 0.156 INCHES NOMINAL SECOND GROUP IN |
| Winding Function and Quantity | 1 PRIMARY AND 7 SECONDARY SINGLE COMPONENT |
| Nominal Thread Size | 0.190 INCHES FIRST GROUP IN |
| Winding Operating Current | 35.0 MILLIAMPERES AC MINIMUM AND 165.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 400.0 HERTZ NOMINAL SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.375 INCHES NOMINAL SECOND MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Thread Quantity Per Inch | 32 FIRST GROUP |
| Winding Operating Voltage | 124.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Voltage | 18.10 AC VOLTS NOMINAL AND 20.90 AC VOLTS MAXIMUM SINGLE COMPONENT FOURTH SECONDARY |
| Winding Operating Voltage | 18.10 AC VOLTS NOMINAL AND 20.90 AC VOLTS MAXIMUM SINGLE COMPONENT THIRD SECONDARY |
| Winding Operating Voltage | 23.50 AC VOLTS NOMINAL AND 25.80 AC VOLTS MAXIMUM SINGLE COMPONENT SECOND SECONDARY |
| Winding Operating Voltage | 26.30 AC VOLTS NOMINAL AND 29.30 AC VOLTS MAXIMUM SINGLE COMPONENT FIFTH SECONDARY |
| Winding Operating Voltage | 26.30 AC VOLTS NOMINAL AND 29.30 AC VOLTS MAXIMUM SINGLE COMPONENT SIXTH SECONDARY |
| Winding Operating Voltage | 45.90 AC VOLTS MINIMUM AND 50.20 AC VOLTS MAXIMUM SINGLE COMPONENT FIRST SECONDARY |
| Terminal Type and Quantity | 21 WIRE LEAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) FIRST GROUP |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5950-01-305-3187 is a Transformer,power, manufactured by Sigma Electronics, Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-305-3187 has 2 manufacturer part numbers on file: PW5302 (Sigma Electronics, Inc.), PEI 12366 (Precision Electronics, Inc).
Key specifications for PW5302: Overall Height: 3.225 INCHES NOMINAL IN; Mounting Facility Quantity: 4 SECOND GROUP; Mounting Facility Quantity: 14 FIRST GROUP; Inclosure Type: FULLY INCLOSED. 24 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.