The Transformer,radio Frequency, cataloged under National Stock Number 5950-01-006-7859, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 22 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-006-7859 |
| Primary Part Number | 0221C0070 |
| Item Name | Transformer,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Mounting Method | THREADED STUD(S) SINGLE GROUP |
| Inductance Rating | 16.00 MILLIHENRIES NOMINAL SINGLE COMPONENT ALL PRIMARY |
| Inductance Rating | 16.00 MILLIHENRIES NOMINAL SINGLE COMPONENT ALL SECONDARY |
| Body Width | 1.720 INCHES MINIMUM AND 1.780 INCHES MAXIMUM IN |
| Body Height | 2.630 INCHES MINIMUM AND 2.870 INCHES MAXIMUM IN |
| Winding Conductor Size | 0.01264 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT ALL SECONDARY IN |
| Winding Conductor Size | 0.01264 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT ALL PRIMARY IN |
| Coil Form Type | SOLID SINGLE COMPONENT |
| Winding Function and Quantity | 2 PRIMARY AND 2 SECONDARY SINGLE COMPONENT |
| Winding Shielding Method | PRIMARY AND SECONDARY SHIELDED AND BROUGHT OUT TO TERMINAL AND CORE GROUNDED AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT |
| Features Provided | COLOR CODED LEAD |
| Distance Between Mounting Facility Centers | 1.480 INCHES MINIMUM AND 1.520 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Nominal Thread Size | 0.138 INCHES SINGLE GROUP IN |
| Body Length | 1.720 INCHES MINIMUM AND 1.780 INCHES MAXIMUM IN |
| Rating Method | ELECTRICAL SINGLE COMPONENT ALL PRIMARY |
| Rating Method | ELECTRICAL SINGLE COMPONENT ALL SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 4.8 MEGAHERTZ NOMINAL SINGLE COMPONENT |
| Terminal Type and Quantity | 9 WIRE LEAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) 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 |
|---|---|
| 0221C0070 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| 8101 | Custom Magnetics of California Inc Div Custom Magnetics (USA) |
| Reference | Meaning |
|---|---|
| 0221C0070 | 5/9 Secondary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
| 8101 | 5/9 Secondary reference James Electronics Inc |
NSN 5950-01-006-7859 is a Transformer,radio Frequency, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-006-7859 has 2 manufacturer part numbers on file: 0221C0070 (Lockheed Martin Corporation Div Rms), 8101 (Custom Magnetics of California Inc Div Custom Magnetics).
Key specifications for 0221C0070: Mounting Facility Quantity: 2 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Mounting Method: THREADED STUD(S) SINGLE GROUP; Inductance Rating: 16.00 MILLIHENRIES NOMINAL SINGLE COMPONENT ALL PRIMARY. 22 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.