The Transformer,power, cataloged under National Stock Number 5950-01-087-8460, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Abbott Technologies, Inc. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-01-087-8460 |
| Primary Part Number | 4A12-25 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Abbott Technologies, Inc |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | THREADED HOLE(S) SINGLE GROUP |
| Body Width | 1.500 INCHES NOMINAL IN |
| Maximum Transformer Power Rating | 25.0 WATTS SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT |
| Nominal Thread Size | 0.138 INCHES SINGLE GROUP IN |
| Maximum Operating Temp | 130.0 CELSIUS DEGC |
| Winding Operating Current | 2.08 AMPERES AC NOMINAL SINGLE COMPONENT ALL SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 400.0 HERTZ NOMINAL SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Operating Voltage | 12.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY |
| Winding Operating Voltage | 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Terminal Type and Quantity | 6 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 |
|---|---|
| 4A12-25 PRIMARY | Abbott Technologies, Inc (USA) |
| Reference | Meaning |
|---|---|
| 912179 | 5/9 Secondary reference Lockheed Martin Corp Electronics and Missiles Div |
NSN 5950-01-087-8460 is a Transformer,power, manufactured by Abbott Technologies, Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-087-8460 has 1 manufacturer part number on file: 4A12-25 (Abbott Technologies, Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5975-01-197-9051, 5830-01-398-6891. Verify interchangeability with system specifications before substitution.
Key specifications for 4A12-25: Overall Height: 1.560 INCHES NOMINAL IN; Mounting Facility Quantity: 2 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 18 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.