The Transformer,power, cataloged under National Stock Number 5950-01-370-3538, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Oai Electronics, Llc Div Oai Electronics. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5950-01-370-3538 |
| Primary Part Number | 144C066-1 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Oai Electronics, Llc Div Oai Electronics |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 ALL GROUPINGS |
| Inclosure Type | HERMETICALLY SEALED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.297 INCHES NOMINAL ALL MOUNTING FACILITIES ALL CENTER GROUPINGS IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | THREADED STUD(S) ALL GROUPINGS |
| Body Width | 2.625 INCHES MAXIMUM IN |
| Body Height | 3.188 INCHES MAXIMUM IN |
| Winding Function and Quantity | 2 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Distance Between Mounting Facility Centers | 1.859 INCHES NOMINAL SINGLE MOUNTING FACILITY SECOND CENTER GROUP IN |
| Distance Between Mounting Facility Centers | 2.297 INCHES NOMINAL SINGLE MOUNTING FACILITY FIRST CENTER GROUP IN |
| Nominal Thread Size | 0.164 INCHES ALL GROUPINGS IN |
| Maximum Operating Temp | 130.0 CELSIUS DEGC |
| Body Length | 3.062 INCHES NOMINAL IN |
| Winding Operating Current | 7.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.859 INCHES NOMINAL SINGLE MOUNTING FACILITY ALL CENTER GROUPINGS IN |
| Winding Operating Voltage | 6.30 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Winding Operating Voltage | 105.00 AC VOLTS MINIMUM AND 115.00 AC VOLTS MAXIMUM SINGLE COMPONENT ALL PRIMARY |
| Terminal Type and Quantity | 8 TURRET |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) ALL GROUPINGS |
| 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 |
|---|---|
| 144C066-1 PRIMARY | Oai Electronics, Llc Div Oai Electronics (USA) |
| TF4S03HB-DPD-990 | Magnetika Inc (USA) |
| DPD-990 | Magnetika Inc (USA) |
| Reference | Meaning |
|---|---|
| DPD-990 | 5/9 Secondary reference U.S. Government activity |
| TF4S03HB-DPD-990 | 5/9 Secondary reference U.S. Government activity |
NSN 5950-01-370-3538 is a Transformer,power, manufactured by Oai Electronics, Llc Div Oai Electronics, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-370-3538 has 3 manufacturer part numbers on file: 144C066-1 (Oai Electronics, Llc Div Oai Electronics), TF4S03HB-DPD-990 (Magnetika Inc), DPD-990 (Magnetika Inc).
Key specifications for 144C066-1: Mounting Facility Quantity: 4 ALL GROUPINGS; Inclosure Type: HERMETICALLY SEALED; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.297 INCHES NOMINAL ALL MOUNTING FACILITIES ALL CENTER GROUPINGS IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 21 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.