The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-228-0789, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Precision Electronics, Inc. Government technical data includes 19 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5950-00-228-0789 |
| Primary Part Number | PEI2758 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Precision Electronics, Inc |
| Status | ACTIVE |
| Transformer Function | OUTPUT |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | HERMETICALLY SEALED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 3.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Mounting Method | THREADED STUD(S) SINGLE GROUP |
| Body Width | 4.000 INCHES NOMINAL IN |
| Body Height | 4.500 INCHES NOMINAL IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 4000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Impedance Rating in Ohms | 4.0 NOMINAL AND 7.5 NOMINAL AND 15.0 NOMINAL AND 60.0 NOMINAL AND 200.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Nominal Thread Size | 0.190 INCHES SINGLE GROUP IN |
| Body Length | 4.000 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 200.0 HERTZ MINIMUM AND 5.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 3.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Thread Quantity Per Inch | 32 SINGLE GROUP |
| Primary to Secondary Turn Ratio | 1 TO 3-13/16 SINGLE COMPONENT |
| Terminal Type and Quantity | 9 TAB, SOLDER LUG |
| 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 |
| Part Number | Manufacturer |
|---|---|
| PEI2758 | Precision Electronics, Inc (USA) |
| Reference | Meaning |
|---|---|
| M900900SUB15GP1 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
| M900900SUB15GP1 | 3/9 Design control — primary reference Rca Corp Distributor and Special Products Div |
NSN 5950-00-228-0789 is a Transformer,audio Frequency, manufactured by Precision Electronics, Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-228-0789 has 1 manufacturer part number on file: PEI2758 (Precision Electronics, Inc).
Key specifications for PEI2758: Overall Height: 4.938 INCHES NOMINAL IN; Transformer Function: OUTPUT; Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: HERMETICALLY SEALED. 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.