The Coil,radio Frequency, cataloged under National Stock Number 5950-01-136-8121, 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 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-136-8121 |
| Primary Part Number | B4009473 |
| Item Name | Coil,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 |
| Mounting Facility Quantity | 2 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Mounting Method | THREADED HOLE(S) SINGLE GROUP |
| Inductance Rating | 22.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING |
| Body Width | 1.210 INCHES MAXIMUM IN |
| Body Height | 1.350 INCHES MAXIMUM IN |
| Winding Conductor Size | 0.08081 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN |
| Coil Form Type | SOLID SINGLE COMPONENT |
| Distance Between Mounting Facility Centers | 0.688 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Nominal Thread Size | 0.138 INCHES SINGLE GROUP IN |
| Maximum Operating Temp | 130.0 CELSIUS DEGC |
| Body Length | 1.600 INCHES MAXIMUM IN |
| Winding Operating Current | 13.0 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING |
| Rating Method | ELECTRICAL SINGLE COMPONENT SINGLE WINDING |
| DC Resistance Rating in Ohms | 0.0068 SINGLE COMPONENT SINGLE WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Thread Quantity Per Inch | 32 SINGLE GROUP |
| Terminal Type and Quantity | 1 TAB, SOLDER LUG AND 1 WIRE LEAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5950-01-136-8121 is a Coil,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 5950-01-136-8121 has 3 manufacturer part numbers on file: B4009473 (Department of the Army Hq United States Army Communications Research and Development Command), M10917 (Cen Electronics a Div of Chloride Power Electronics Inc), TW-71173 (Magnetika).
Key specifications for B4009473: Mounting Facility Quantity: 2 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Mounting Method: THREADED HOLE(S) SINGLE GROUP; Inductance Rating: 22.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING. 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.
NSN 5950-01-136-8121 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.