The Transformer,power, cataloged under National Stock Number 5950-01-109-8978, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Honeywell Inc Residential Div. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-109-8978 |
| Primary Part Number | AT72D-1196 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Honeywell Inc Residential Div |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Winding Power Rating | 40.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE SECONDARY |
| Body Outside Diameter | 2.250 INCHES NOMINAL IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | BRACKET(S) SINGLE GROUP |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Features Provided | COLOR CODED LEAD |
| Body Length | 2.650 INCHES NOMINAL IN |
| Winding Operating Current | 25.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT |
| Winding Operating Voltage | 26.50 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Winding Operating Voltage | 208.00 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 |
|---|---|
| AT72D-1196 | Honeywell Inc Residential Div (USA) |
| Reference | Meaning |
|---|---|
| 510721-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5950-01-109-8978 is a Transformer,power, manufactured by Honeywell Inc Residential Div, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-109-8978 has 1 manufacturer part number on file: AT72D-1196 (Honeywell Inc Residential Div).
Key specifications for AT72D-1196: Inclosure Type: FULLY INCLOSED; Winding Power Rating: 40.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE SECONDARY; Body Outside Diameter: 2.250 INCHES NOMINAL IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 14 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.