The Transformer,radio Frequency, cataloged under National Stock Number 5950-00-538-7138, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Vanguard Electronics, Llc. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5950-00-538-7138 |
| Primary Part Number | 989001-500 |
| Item Name | Transformer,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Vanguard Electronics, Llc |
| Status | ACTIVE |
| Inclosure Type | OPEN |
| Body Outside Diameter | 0.380 INCHES NOMINAL IN |
| Mounting Method | THREADED BUSHING SINGLE GROUP |
| Adjustment Device Drive Type | SHAFT SINGLE COMPONENT |
| Adjustment Method and Quantity | 1 ADJUSTABLE CAPACITOR SINGLE COMPONENT |
| Coil Form Type | HOLLOW SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY SINGLE COMPONENT |
| Nominal Thread Size | 0.190 INCHES SINGLE GROUP IN |
| Body Length | 0.874 INCHES MAXIMUM IN |
| Reliability Indicator | NOT ESTABLISHED |
| Thread Quantity Per Inch | 32 SINGLE GROUP |
| Terminal Type and Quantity | 3 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 |
|---|---|
| 989001-500 | Vanguard Electronics, Llc (USA) |
| Reference | Meaning |
|---|---|
| 989001-500 | 5/9 Secondary reference U.S. Government activity |
| 989001-500 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5950-00-538-7138 is a Transformer,radio Frequency, manufactured by Vanguard Electronics, Llc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-538-7138 has 1 manufacturer part number on file: 989001-500 (Vanguard Electronics, Llc).
Key specifications for 989001-500: Inclosure Type: OPEN; Body Outside Diameter: 0.380 INCHES NOMINAL IN; Mounting Method: THREADED BUSHING SINGLE GROUP; Adjustment Device Drive Type: SHAFT SINGLE COMPONENT. 13 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.