The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-399-7499, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3harris Technologies, Inc. Dba Harris Corporation. Government technical data includes 18 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5950-00-399-7499 |
| Primary Part Number | B1000475 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corporation |
| Status | ACTIVE |
| Transformer Function | OUTPUT |
| Mounting Facility Quantity | 2 SINGLE GROUP |
| Inclosure Type | HERMETICALLY SEALED |
| Body Outside Diameter | 1.688 INCHES NOMINAL IN |
| Mounting Method | THREADED STUD(S) SINGLE GROUP |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 600.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Impedance Rating in Ohms | 10000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Winding Shielding Method | INTERNAL SHIELD GROUNDED TO CORE AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT |
| Distance Between Mounting Facility Centers | 1.188 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Nominal Thread Size | 0.312 INCHES SINGLE GROUP IN |
| Body Length | 2.188 INCHES NOMINAL IN |
| Winding Operating Current | 15.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Frequency Rating | 300.0 HERTZ MINIMUM AND 3.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Thread Quantity Per Inch | 32 SINGLE GROUP |
| Primary to Secondary Turn Ratio | 1 TO 1.4 SINGLE COMPONENT |
| Terminal Type and Quantity | 5 TURRET |
| 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 |
| Part Number | Manufacturer |
|---|---|
| B1000475 PRIMARY | L3harris Technologies, Inc. Dba Harris Corporation (USA) |
| 605300-261 PRIMARY | Stromberg-Carlson Corp a Plessey Telecommunications Co (USA) |
| A1000474-1 PRIMARY | L3harris Technologies, Inc. Dba Harris Corporation (USA) |
| Reference | Meaning |
|---|---|
| A1000474-1 | 5/9 Secondary reference Itt Industries Inc Itt Aerospace Communications Div East |
| SCB104730 | 5/2 Secondary reference U.S. Government activity |
| B1000475 | 5/9 Secondary reference Itt Industries Inc Itt Aerospace Communications Div East |
NSN 5950-00-399-7499 is a Transformer,audio Frequency, manufactured by L3harris Technologies, Inc. Dba Harris Corporation, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-399-7499 has 3 manufacturer part numbers on file: B1000475 (L3harris Technologies, Inc. Dba Harris Corporation), 605300-261 (Stromberg-Carlson Corp a Plessey Telecommunications Co), A1000474-1 (L3harris Technologies, Inc. Dba Harris Corporation).
Key specifications for B1000475: Transformer Function: OUTPUT; Mounting Facility Quantity: 2 SINGLE GROUP; Inclosure Type: HERMETICALLY SEALED; Body Outside Diameter: 1.688 INCHES NOMINAL IN. 18 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.