The Transformer,power, cataloged under National Stock Number 5950-01-321-8144, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Keysight Technologies Inc. Government technical data includes 24 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-321-8144 |
| Primary Part Number | 9100-3861 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Mounting Facility Quantity | 8 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Winding Power Rating | 26.4 VOLTS-AMPERES SINGLE COMPONENT FIRST SECONDARY |
| Winding Power Rating | 28.8 VOLTS-AMPERES SINGLE COMPONENT FOURTH SECONDARY |
| Winding Power Rating | 41.6 VOLTS-AMPERES SINGLE COMPONENT SECOND SECONDARY |
| Winding Power Rating | 44.8 VOLTS-AMPERES SINGLE COMPONENT THIRD SECONDARY |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | THREADED HOLE(S) SINGLE GROUP |
| Maximum Transformer Power Rating | 40.0 VOLT-AMPERE SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY AND 4 SECONDARY SINGLE COMPONENT |
| Nominal Thread Size | 0.138 INCHES SINGLE GROUP IN |
| Winding Operating Current | 1.7 AMPERES DC NOMINAL SINGLE COMPONENT SECOND SECONDARY |
| Winding Operating Current | 3.1 AMPERES DC NOMINAL SINGLE COMPONENT FOURTH SECONDARY |
| Winding Operating Current | 3.2 AMPERES DC NOMINAL SINGLE COMPONENT THIRD SECONDARY |
| Winding Operating Current | 600.0 MILLIAMPERES DC NOMINAL SINGLE COMPONENT FIRST SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 47.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT |
| Winding Operating Voltage | 100.00 AC VOLTS NOMINAL AND 220.00 AC VOLTS NOMINAL AND 240.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Voltage | 14.00 DC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY |
| Winding Operating Voltage | 24.50 DC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY |
| Winding Operating Voltage | 44.00 DC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY |
| Winding Operating Voltage | 9.30 DC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY |
| Terminal Type and Quantity | 13 WIRE LEAD |
| 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 |
|---|---|
| 9100-3861 PRIMARY | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 9100-3861 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 9100-3861 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
NSN 5950-01-321-8144 is a Transformer,power, manufactured by Keysight Technologies Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-321-8144 has 1 manufacturer part number on file: 9100-3861 (Keysight Technologies Inc).
Key specifications for 9100-3861: Overall Height: 4.600 INCHES NOMINAL IN; Mounting Facility Quantity: 8 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Winding Power Rating: 26.4 VOLTS-AMPERES SINGLE COMPONENT FIRST SECONDARY. 24 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.