The Transformer,radio Frequency, cataloged under National Stock Number 5950-01-081-9357, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Koehlke Components Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-081-9357 |
| Primary Part Number | 447636 |
| Item Name | Transformer,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Koehlke Components Inc |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Overall Diameter | 0.390 INCHES MAXIMUM IN |
| Mounting Method | TERMINAL SINGLE GROUP |
| Adjustment Device Drive Type | SLOTTED SCREW SINGLE COMPONENT |
| Adjustment Method and Quantity | 1 ADJUSTABLE CORE SINGLE COMPONENT |
| Coil Form Type | HOLLOW SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Body Length | 0.453 INCHES MAXIMUM IN |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 11.5 MEGAHERTZ NOMINAL 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 |
|---|---|
| 447636 | Koehlke Components Inc (USA) |
| Reference | Meaning |
|---|---|
| SM-D-447636 | C/1 Advisory reference — outside the item-of-supply concept Valcore Manufacturing Llc |
| SM-D-447636 | 3/2 Design control — primary reference U.S. Government activity |
| SM-D-447636 | 5/9 Secondary reference Valcore Manufacturing Llc Dba Use CAGE Code 04ye2 for Cataloging |
| 447636 | 5/9 Secondary reference Automatic Coil Corp |
NSN 5950-01-081-9357 is a Transformer,radio Frequency, manufactured by Koehlke Components Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-081-9357 has 1 manufacturer part number on file: 447636 (Koehlke Components Inc).
Key specifications for 447636: Inclosure Type: FULLY INCLOSED; Overall Diameter: 0.390 INCHES MAXIMUM IN; Mounting Method: TERMINAL SINGLE GROUP; Adjustment Device Drive Type: SLOTTED SCREW SINGLE COMPONENT. 11 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.