The Transformer,power, cataloged under National Stock Number 5950-00-231-0716, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Dongan Electric Manufacturing Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-231-0716 |
| Primary Part Number | A603 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Dongan Electric Manufacturing Company |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 SINGLE GROUP |
| Inclosure Type | OPEN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | THREADED HOLE(S) SINGLE GROUP |
| Body Width | 5.750 INCHES NOMINAL IN |
| Body Height | 4.750 INCHES NOMINAL IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Distance Between Mounting Facility Centers | 3.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Nominal Thread Size | 0.190 INCHES SINGLE GROUP IN |
| Maximum Operating Temp | 120.0 CELSIUS DEGC |
| Body Length | 7.000 INCHES NOMINAL IN |
| Winding Operating Current | 34.7 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 60.0 HERTZ NOMINAL SINGLE COMPONENT |
| Thread Quantity Per Inch | 24 SINGLE GROUP |
| Winding Operating Voltage | 11.90 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE SECONDARY |
| Winding Operating Voltage | 90.00 AC VOLTS NOMINAL AND 95.00 AC VOLTS NOMINAL AND 100.00 AC VOLTS NOMINAL AND 105.00 AC VOLTS NOMINAL AND 110.00 AC VOLTS NOMINAL AND 120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Terminal Type and Quantity | 8 THREADED STUD |
| 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 |
NSN 5950-00-231-0716 is a Transformer,power, manufactured by Dongan Electric Manufacturing Company, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-231-0716 has 2 manufacturer part numbers on file: A603 (Dongan Electric Manufacturing Company), 36903 (Freed Transformer Co).
6 possible matches (shared part number, not a government interchangeability claim): 5930-00-548-6575, 4520-00-844-6980, 5930-00-852-5790. Verify interchangeability with system specifications before substitution.
Key specifications for A603: Mounting Facility Quantity: 2 SINGLE GROUP; Inclosure Type: OPEN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Mounting Method: THREADED HOLE(S) SINGLE GROUP. 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.