The Transformer,radio Frequency, cataloged under National Stock Number 5950-01-127-8651, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 4 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 | 5950-01-127-8651 |
| Primary Part Number | 672-0518-010 |
| Item Name | Transformer,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Turn Quantity | 6 SINGLE COMPONENT ALL PRIMARY |
| Turn Quantity | 8 SINGLE COMPONENT ALL SECONDARY |
| Mounting Method | UNTHREADED HOLE(S) SINGLE GROUP |
| Inductance Rating | 56.00 MICROHENRIES NOMINAL SINGLE COMPONENT ALL PRIMARY |
| Winding Conductor Size | 0.03196 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT ALL PRIMARY IN |
| Winding Conductor Size | 0.03196 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT ALL SECONDARY IN |
| Mounting Hole Diameter | 0.200 INCHES NOMINAL SINGLE GROUP IN |
| Coil Form Type | SOLID SINGLE COMPONENT |
| Winding Function and Quantity | 2 PRIMARY AND 2 SECONDARY SINGLE COMPONENT |
| Maximum Operating Temp | 125.0 CELSIUS DEGC |
| Rating Method | WINDING TURNS SINGLE COMPONENT ALL SECONDARY |
| Rating Method | WINDING TURNS AND ELECTRICAL SINGLE COMPONENT ALL PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 50.0 KILOHERTZ NOMINAL SINGLE COMPONENT |
| Terminal Type and Quantity | 8 TAB, SOLDER LUG |
| 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 |
|---|---|
| 27989-1 | Torotel, Inc. Div Torotel Products, Inc. (USA) |
| 06-2147-01 | Hisonic, Llc (USA) |
| 672-0518-010 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| 06-2147-00 | Hisonic, Llc (USA) |
NSN 5950-01-127-8651 is a Transformer,radio Frequency, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-127-8651 has 4 manufacturer part numbers on file: 27989-1 (Torotel, Inc. Div Torotel Products, Inc.), 06-2147-01 (Hisonic, Llc), 672-0518-010 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 06-2147-00 (Hisonic, Llc).
1 possible match (shared part number, not a government interchangeability claim): 6540-01-613-4163. Verify interchangeability with system specifications before substitution.
Key specifications for 672-0518-010: Mounting Facility Quantity: 1 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Turn Quantity: 6 SINGLE COMPONENT ALL PRIMARY; Turn Quantity: 8 SINGLE COMPONENT ALL SECONDARY. 17 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.