The Transformer,power, cataloged under National Stock Number 5950-00-017-0054, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Autodyne Manufacturing Co Inc. Government technical data includes 20 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-017-0054 |
| Primary Part Number | A11391 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Autodyne Manufacturing Co Inc |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | HERMETICALLY SEALED |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | THREADED STUD(S) SINGLE GROUP |
| Body Width | 3.188 INCHES NOMINAL IN |
| Body Height | 3.938 INCHES NOMINAL IN |
| Winding Function and Quantity | 1 PRIMARY AND 4 SECONDARY SINGLE COMPONENT |
| Winding Shielding Method | INTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT |
| Nominal Thread Size | 0.250 INCHES SINGLE GROUP IN |
| Body Length | 3.813 INCHES NOMINAL IN |
| Winding Operating Current | 2.0 AMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY |
| Winding Operating Current | 6.0 AMPERES AC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY |
| Winding Operating Current | 10.8 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY |
| Winding Operating Current | 78.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 320.0 HERTZ MINIMUM AND 1.76 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Thread Quantity Per Inch | 20 SINGLE GROUP |
| Winding Operating Voltage | 795.00 AC VOLTS NOMINAL AND 1.090 AC KILOVOLTS NOMINAL AND 1.394 AC KILOVOLTS NOMINAL AND 1.689 AC KILOVOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY |
| Terminal Type and Quantity | 15 WIRE HOOK |
| 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 |
|---|---|
| A11391 | Autodyne Manufacturing Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 16280Y | 3/2 Design control — primary reference U.S. Government activity |
| 58430285 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5950-00-017-0054 is a Transformer,power, manufactured by Autodyne Manufacturing Co Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-017-0054 has 1 manufacturer part number on file: A11391 (Autodyne Manufacturing Co Inc).
4 possible matches (shared part number, not a government interchangeability claim): 5306-00-297-4246, 5930-01-063-8002, 4820-01-374-5456. Verify interchangeability with system specifications before substitution.
Key specifications for A11391: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: HERMETICALLY SEALED; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Mounting Method: THREADED STUD(S) SINGLE GROUP. 20 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.