The Transformer,power, cataloged under National Stock Number 5950-00-403-4072, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Precision Electronics, Inc. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-403-4072 |
| Primary Part Number | PEI 4448 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Precision Electronics, Inc |
| Status | ACTIVE |
| Inclosure Type | HERMETICALLY SEALED |
| Body Width | 2.625 INCHES NOMINAL IN |
| Body Height | 4.250 INCHES NOMINAL IN |
| Body Length | 3.062 INCHES NOMINAL IN |
| Winding Operating Current | UNABLE TO DECODE100.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Winding Operating Voltage | 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Voltage | UNABLE TO DECODE10.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY |
| Winding Operating Voltage | UNABLE TO DECODE20.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY |
| Winding Operating Voltage | UNABLE TO DECODE20.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY |
| Winding Operating Voltage | UNABLE TO DECODE45.00 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY |
| Terminal Type and Quantity | 11 SOLDER STUD |
| Thread Series Designator | UNF SINGLE GROUPUNABLE TO DECODE |
| 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 |
|---|---|
| PEI 4448 PRIMARY | Precision Electronics, Inc (USA) |
| Reference | Meaning |
|---|---|
| 151134 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
NSN 5950-00-403-4072 is a Transformer,power, manufactured by Precision Electronics, Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-403-4072 has 1 manufacturer part number on file: PEI 4448 (Precision Electronics, Inc).
3 possible matches (shared part number, not a government interchangeability claim): 3020-00-676-6957, 1630-00-679-1704, 5331-01-573-3182. Verify interchangeability with system specifications before substitution.
Key specifications for PEI 4448: Inclosure Type: HERMETICALLY SEALED; Body Width: 2.625 INCHES NOMINAL IN; Body Height: 4.250 INCHES NOMINAL IN; Body Length: 3.062 INCHES NOMINAL IN. 13 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.