The Transformer,power, cataloged under National Stock Number 5950-00-987-9860, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Homewood Products Corp. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-987-9860 |
| Primary Part Number | S245A051G07 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Homewood Products Corp |
| Status | ACTIVE |
| Cooling Type | FINS |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | UNTHREADED HOLE(S) SINGLE GROUP |
| Body Width | 8.875 INCHES NOMINAL IN |
| Body Height | 9.688 INCHES NOMINAL IN |
| Maximum Transformer Power Rating | 3.0 KILOVOLT-AMPERE SINGLE COMPONENT |
| Cooling Method | SELF-COOLED |
| Mounting Hole Diameter | 0.438 INCHES NOMINAL SINGLE GROUP IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Distance Between Mounting Facility Centers | 7.250 INCHES NOMINAL AND 8.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Body Length | 11.375 INCHES NOMINAL IN |
| Frequency Rating | 60.0 HERTZ NOMINAL SINGLE COMPONENT |
| Winding Operating Voltage | 120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Winding Operating Voltage | 120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Terminal Type and Quantity | 4 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 |
|---|---|
| S245A051G07 | Homewood Products Corp (USA) |
| S245A051G07 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| S245A051G07 | C/1 Advisory reference — outside the item-of-supply concept Westinghouse Electric Corp Control Business Unit |
| S245A051G07 | 3/2 Design control — primary reference U.S. Government activity |
| 24776 | 5/2 Secondary reference U.S. Government activity |
NSN 5950-00-987-9860 is a Transformer,power, manufactured by Homewood Products Corp, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-987-9860 has 2 manufacturer part numbers on file: S245A051G07 (Homewood Products Corp), S245A051G07 (Westinghouse Electric Corp).
2 possible matches (shared part number, not a government interchangeability claim): 5331-01-298-4748, 3040-01-493-2191. Verify interchangeability with system specifications before substitution.
Key specifications for S245A051G07: Cooling Type: FINS; Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; 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.