The Transformer,power, cataloged under National Stock Number 5950-01-068-3386, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Crane Electronics, Inc.. Government technical data includes 22 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-068-3386 |
| Primary Part Number | 77C0473-1 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Crane Electronics, Inc. |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.395 INCHES MINIMUM AND 1.405 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | THREADED HOLE(S) SINGLE GROUP |
| Body Width | 1.560 INCHES MAXIMUM IN |
| Body Height | 0.690 INCHES MAXIMUM IN |
| Criticality Code Justification | FEAT |
| Winding Function and Quantity | 3 PRIMARY AND 3 SECONDARY SINGLE COMPONENT |
| Nominal Thread Size | 0.112 INCHES SINGLE GROUP IN |
| Body Length | 1.880 INCHES MAXIMUM IN |
| Winding Operating Current | 200.0 MILLIAMPERES AC NOMINAL SINGLE COMPONENT SECOND PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 20.0 KILOHERTZ MINIMUM AND 40.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.095 INCHES MINIMUM AND 1.105 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Operating Voltage | 15.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY |
| Winding Operating Voltage | 19.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY |
| Winding Operating Voltage | 0.015 AC VOLTS NOMINAL SINGLE COMPONENT SECOND PRIMARY |
| Winding Operating Voltage | 125.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY |
| Winding Operating Voltage | 30.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST PRIMARY |
| 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 77C0473-1 | Crane Electronics, Inc. (USA) |
| TT2122 | Hytronics Corp. (USA) |
| 755090A0750-1 | Crane Electronics, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 77C0473 | 5/9 Secondary reference Crane Electronics, Inc. |
| 77B0473 | 5/9 Secondary reference Crane Electronics, Inc. |
| 755090A0750-1 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5950-01-068-3386 is a Transformer,power, manufactured by Crane Electronics, Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-068-3386 has 3 manufacturer part numbers on file: 77C0473-1 (Crane Electronics, Inc.), TT2122 (Hytronics Corp.), 755090A0750-1 (Crane Electronics, Inc.).
Key specifications for 77C0473-1: Mounting Facility Quantity: 2 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.395 INCHES MINIMUM AND 1.405 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 22 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.