The Transformer,power, cataloged under National Stock Number 5950-00-963-0777, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Technipower Llc Dba Unipower. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-963-0777 |
| Primary Part Number | W2RBS38 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Technipower Llc Dba Unipower |
| Status | ACTIVE |
| Mounting Facility Quantity | 3 SINGLE GROUP |
| Inclosure Type | HERMETICALLY SEALED |
| Overall Diameter | 3.687 INCHES NOMINAL IN |
| Winding Power Rating | 3.5 WATTS SINGLE COMPONENT SINGLE SECONDARY |
| Body Outside Diameter | 3.250 INCHES NOMINAL IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | THREADED HOLE(S) SINGLE GROUP |
| Adjustment Device Drive Type | SHAFT SINGLE COMPONENT |
| Adjustment Method and Quantity | 1 ADJUSTABLE CONTROL SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY, VARIABLE AUTOTRANSFORMER TYPE AND 1 SECONDARY SINGLE COMPONENT |
| Nominal Thread Size | 0.190 INCHES SINGLE GROUP IN |
| Mounting Bolt Circle Diameter | 2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Operating Current | 2.4 AMPERES AC MINIMUM AND 3.1 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Thread Quantity Per Inch | 32 SINGLE GROUP |
| Winding Operating Voltage | 115.00 AC VOLTS NOMINAL AND 120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Voltage | 0.00 AC VOLTS MINIMUM AND 140.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE SECONDARY |
| Terminal Type and Quantity | 5 SCREW |
| Thread Series Designator | UNF 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 |
NSN 5950-00-963-0777 is a Transformer,power, manufactured by Technipower Llc Dba Unipower, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-963-0777 has 2 manufacturer part numbers on file: 9986897 (Us Army Aviation and Missile Command), W2RBS38 (Technipower Llc Dba Unipower).
Key specifications for W2RBS38: Mounting Facility Quantity: 3 SINGLE GROUP; Inclosure Type: HERMETICALLY SEALED; Overall Diameter: 3.687 INCHES NOMINAL IN; Winding Power Rating: 3.5 WATTS SINGLE COMPONENT SINGLE SECONDARY. 19 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.