The Coil,radio Frequency, cataloged under National Stock Number 5950-01-339-6680, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit. Government technical data includes 14 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. 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 | 5950-01-339-6680 |
| Primary Part Number | 35640-1 |
| Item Name | Coil,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Overall Diameter | 0.650 INCHES MAXIMUM IN |
| Mounting Method | TERMINAL SINGLE GROUP |
| Inductance Rating | 22.00 MICROHENRIES MINIMUM AND 28.00 MICROHENRIES MAXIMUM SINGLE COMPONENT SINGLE WINDING |
| Coil Form Type | SOLID SINGLE COMPONENT |
| Features Provided | TINNED WIRE LEADS |
| Distance Between Mounting Facility Centers | 0.180 INCHES MINIMUM AND 0.220 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Maximum Operating Temp | 60.0 CELSIUS DEGC |
| Winding Operating Current | 2.0 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING |
| Rating Method | ELECTRICAL SINGLE COMPONENT SINGLE WINDING |
| DC Resistance Rating in Ohms | 0.020 SINGLE COMPONENT SINGLE WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Core Construction | S0LID SINGLE COMPONENT |
| Terminal Type and Quantity | 2 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 |
NSN 5950-01-339-6680 is a Coil,radio Frequency, manufactured by Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-339-6680 has 2 manufacturer part numbers on file: FTC 3487 (Transistor Devices Inc Dba Fernwood Magnetics Div Div Circuitek Division), 35640-1 (Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit).
1 possible match (shared part number, not a government interchangeability claim): 1680-01-674-0955. Verify interchangeability with system specifications before substitution.
Key specifications for 35640-1: Inclosure Type: FULLY INCLOSED; Overall Diameter: 0.650 INCHES MAXIMUM IN; Mounting Method: TERMINAL SINGLE GROUP; Inductance Rating: 22.00 MICROHENRIES MINIMUM AND 28.00 MICROHENRIES MAXIMUM SINGLE COMPONENT SINGLE WINDING. 14 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.