The Transformer,power, cataloged under National Stock Number 5950-01-559-5902, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Hammond Maufacturing Company Inc. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-559-5902 |
| Primary Part Number | VT57A |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Hammond Maufacturing Company Inc |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.500 INCHES NOMINAL ALL MOUNTING FACILITIES SINGLE CENTER GROUP IN |
| Mounting Method | UNTHREADED HOLE(S) SINGLE GROUP |
| Body Width | 3.250 INCHES NOMINAL IN |
| Body Height | 3.130 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.500 INCHES NOMINAL SINGLE GROUP IN |
| Distance Between Mounting Facility Centers | 2.500 INCHES NOMINAL ALL MOUNTING FACILITIES SINGLE CENTER GROUP IN |
| Body Length | 3.000 INCHES NOMINAL IN |
| Frequency Rating | 50.0 HERTZ MINIMUM OR 60.0 HERTZ MAXIMUM ALL COMPONENTS |
| Winding Operating Voltage | 600.00 AC VOLTS NOMINAL ALL COMPONENTS ALL PRIMARY |
| Terminal Type and Quantity | 4 SCREW |
| 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 |
|---|---|
| VT57A PRIMARY | Hammond Maufacturing Company Inc (USA) |
NSN 5950-01-559-5902 is a Transformer,power, manufactured by Hammond Maufacturing Company Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-559-5902 has 1 manufacturer part number on file: VT57A (Hammond Maufacturing Company Inc).
Key specifications for VT57A: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.500 INCHES NOMINAL ALL MOUNTING FACILITIES SINGLE CENTER GROUP IN; Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP. 12 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.