The Transformer,power, cataloged under National Stock Number 5950-00-803-2997, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Electronic Systems. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-803-2997 |
| Primary Part Number | 131A732H01 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Northrop Grumman Systems Corporation Dba Electronic Systems |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | HERMETICALLY SEALED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 3.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | THREADED STUD(S) SINGLE GROUP |
| Body Width | 3.687 INCHES NOMINAL IN |
| Body Height | 3.312 INCHES NOMINAL IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Nominal Thread Size | 0.190 INCHES SINGLE GROUP IN |
| Body Length | 5.062 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.687 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Thread Quantity Per Inch | 32 SINGLE GROUP |
| Winding Operating Voltage | 450.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Voltage | 120.00 AC VOLTS NOMINAL AND 130.00 AC VOLTS NOMINAL AND 140.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Terminal Type and Quantity | 6 SOLDER STUD |
| Thread Series Designator | UNF 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 |
|---|---|
| 131A732H01 PRIMARY | Northrop Grumman Systems Corporation Dba Electronic Systems (USA) |
| 43654 | Freed Transformer Co (USA) |
| Reference | Meaning |
|---|---|
| M1589A | 5/9 Secondary reference U.S. Government activity |
NSN 5950-00-803-2997 is a Transformer,power, manufactured by Northrop Grumman Systems Corporation Dba Electronic Systems, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-803-2997 has 2 manufacturer part numbers on file: 131A732H01 (Northrop Grumman Systems Corporation Dba Electronic Systems), 43654 (Freed Transformer Co).
3 possible matches (shared part number, not a government interchangeability claim): 5930-01-310-6078, 5305-01-392-1011, 5310-01-549-8272. Verify interchangeability with system specifications before substitution.
Key specifications for 131A732H01: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: HERMETICALLY SEALED; Center to Center Distance Between Mounting Facilities Parallel to Length: 3.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 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.