The Transformer,radio Frequency, cataloged under National Stock Number 5950-00-148-1397, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is American Trans-Coil Corp. Government technical data includes 19 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-148-1397 |
| Primary Part Number | 1642-30 |
| Item Name | Transformer,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | American Trans-Coil Corp |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Overall Diameter | 0.417 INCHES MINIMUM AND 0.427 INCHES MAXIMUM IN |
| Turn Quantity | 1/2 SINGLE COMPONENT SINGLE PRIMARY OUTPUT |
| Turn Quantity | 2 SINGLE COMPONENT SINGLE PRIMARY INPUT |
| Mounting Method | TAB SINGLE GROUP |
| Inductance Rating | 7.33 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT |
| Adjustment Device Drive Type | SLOTTED SCREW SINGLE COMPONENT |
| Adjustment Method and Quantity | 1 ADJUSTABLE CORE SINGLE COMPONENT |
| Winding Conductor Size | 0.00795 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY OUTPUT IN |
| Winding Conductor Size | 0.00795 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY INPUT IN |
| Coil Form Type | HOLLOW SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY, VARIABLE AUTOTRANSFORMER TYPE SINGLE COMPONENT |
| Body Length | 0.490 INCHES MAXIMUM IN |
| Rating Method | ELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY INPUT |
| Rating Method | ELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY OUTPUT |
| Reliability Indicator | NOT ESTABLISHED |
| Mounting Tab Width | 0.023 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN |
| Frequency Rating | 18.0 MEGAHERTZ MAXIMUM SINGLE COMPONENT |
| Terminal Type and Quantity | 4 PIN |
| 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 |
|---|---|
| 1642-30 | American Trans-Coil Corp (USA) |
| A7363 | Autodyne Manufacturing Co Inc (USA) |
| PEI 7060 | Precision Electronics, Inc (USA) |
| Reference | Meaning |
|---|---|
| 809000-270 | 5/9 Secondary reference Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc |
| 666230R330 | 5/9 Secondary reference Radionics Technologies Inc |
| 666230-330 | 3/9 Design control — primary reference Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc |
| C12CB1-17C | 5/9 Secondary reference Automatic Coil Corp |
| MTC230-330 | 5/9 Secondary reference Morley Transformer Co Inc |
NSN 5950-00-148-1397 is a Transformer,radio Frequency, manufactured by American Trans-Coil Corp, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-148-1397 has 3 manufacturer part numbers on file: 1642-30 (American Trans-Coil Corp), A7363 (Autodyne Manufacturing Co Inc), PEI 7060 (Precision Electronics, Inc).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-460-1751. Verify interchangeability with system specifications before substitution.
Key specifications for 1642-30: Inclosure Type: FULLY INCLOSED; Overall Diameter: 0.417 INCHES MINIMUM AND 0.427 INCHES MAXIMUM IN; Turn Quantity: 1/2 SINGLE COMPONENT SINGLE PRIMARY OUTPUT; Turn Quantity: 2 SINGLE COMPONENT SINGLE PRIMARY INPUT. 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.