The Transformer,power, cataloged under National Stock Number 5950-00-146-4960, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Crane Electronics, Inc.. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-146-4960 |
| Primary Part Number | 71A0309-1 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Crane Electronics, Inc. |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | OPEN |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.802 INCHES MINIMUM AND 1.822 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Power Rating | 40.0 WATTS SINGLE COMPONENT SINGLE SECONDARY |
| Input-Output Phase Relationship | THREE PHASE TO THREE PHASE SINGLE COMPONENT |
| Mounting Method | FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP |
| Body Width | 2.250 INCHES NOMINAL IN |
| Body Height | 1.030 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.136 INCHES NOMINAL SINGLE GROUP IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Body Length | 2.630 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 360.0 HERTZ MINIMUM AND 440.0 HERTZ MAXIMUM SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.740 INCHES MINIMUM AND 1.760 INCHES MINIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Operating Voltage | 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Voltage | 42.50 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Terminal Type and Quantity | 7 WIRE LEAD |
| 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 |
|---|---|
| 71A0309-1 PRIMARY | Crane Electronics, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 95138 | 5/9 Secondary reference U.S. Government activity |
| HA95138 | 5/9 Secondary reference U.S. Government activity |
NSN 5950-00-146-4960 is a Transformer,power, manufactured by Crane Electronics, Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-146-4960 has 1 manufacturer part number on file: 71A0309-1 (Crane Electronics, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 1005-01-718-5524. Verify interchangeability with system specifications before substitution.
Key specifications for 71A0309-1: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: OPEN; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.802 INCHES MINIMUM AND 1.822 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Winding Power Rating: 40.0 WATTS SINGLE COMPONENT SINGLE SECONDARY. 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.