The Transformer,radio Frequency, cataloged under National Stock Number 5950-01-274-7886, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Department of the Army Hq United States Army Communications Research and Development Command. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-274-7886 |
| Primary Part Number | B4003346-1 |
| Item Name | Transformer,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Department of the Army Hq United States Army Communications Research and Development Command |
| Status | ACTIVE |
| Inclosure Type | OPEN |
| Turn Quantity | 2-1/2 SINGLE COMPONENT SINGLE PRIMARY INPUT |
| Mounting Method | TERMINAL SINGLE GROUP |
| Adjustment Device Drive Type | HEX SOCKET SINGLE COMPONENT |
| Body Width | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Body Height | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Adjustment Method and Quantity | 1 ADJUSTABLE CORE SINGLE COMPONENT |
| Coil Form Type | HOLLOW SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY, VARIABLE AUTOTRANSFORMER TYPE SINGLE COMPONENT |
| Maximum Operating Temp | 85.0 CELSIUS DEGC |
| Body Length | 0.330 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN |
| Reliability Indicator | NOT ESTABLISHED |
| Terminal Type and Quantity | 3 WIRE LEAD |
| 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 |
|---|---|
| SK651-B | Standex Electronics Inc Dba Standex Electronics (USA) |
| B4003346-1 PRIMARY | Department of the Army Hq United States Army Communications Research and Development Command (USA) |
NSN 5950-01-274-7886 is a Transformer,radio Frequency, manufactured by Department of the Army Hq United States Army Communications Research and Development Command, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-274-7886 has 2 manufacturer part numbers on file: SK651-B (Standex Electronics Inc Dba Standex Electronics), B4003346-1 (Department of the Army Hq United States Army Communications Research and Development Command).
Key specifications for B4003346-1: Inclosure Type: OPEN; Turn Quantity: 2-1/2 SINGLE COMPONENT SINGLE PRIMARY INPUT; Mounting Method: TERMINAL SINGLE GROUP; Adjustment Device Drive Type: HEX SOCKET 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.