The Transformer,radio Frequency, cataloged under National Stock Number 5950-01-311-5371, 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 24 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-311-5371 |
| Primary Part Number | 1214C3930 |
| Item Name | Transformer,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Body Outside Diameter | 1.070 INCHES MAXIMUM IN |
| Turn Quantity | 17-1/2 SINGLE COMPONENT FIRST SECONDARY |
| Turn Quantity | 17-1/2 SINGLE COMPONENT SECOND SECONDARY |
| Turn Quantity | 45-1/2 SINGLE COMPONENT ALL PRIMARY |
| Turn Quantity | 6 SINGLE COMPONENT FOURTH SECONDARY |
| Turn Quantity | 6 SINGLE COMPONENT THIRD SECONDARY |
| Mounting Method | UNTHREADED HOLE(S) SINGLE GROUP |
| Winding Conductor Size | 0.01264 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT FIRST SECONDARY IN |
| Winding Conductor Size | 0.01264 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SECOND SECONDARY IN |
| Winding Conductor Size | 0.01594 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT ALL PRIMARY IN |
| Winding Conductor Size | 0.01594 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT FOURTH SECONDARY IN |
| Winding Conductor Size | 0.01594 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT THIRD SECONDARY IN |
| Mounting Hole Diameter | 0.213 INCHES MINIMUM AND 0.233 INCHES MAXIMUM SINGLE GROUP IN |
| Coil Form Type | SOLID SINGLE COMPONENT |
| Winding Function and Quantity | 2 PRIMARY AND 6 SECONDARY SINGLE COMPONENT |
| Features Provided | TINNED WIRE LEADS |
| Body Length | 0.715 INCHES MAXIMUM IN |
| Rating Method | WINDING TURNS SINGLE COMPONENT ALL PRIMARY |
| Rating Method | WINDING TURNS SINGLE COMPONENT ALL SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 50.0 KILOHERTZ NOMINAL SINGLE COMPONENT |
| Terminal Type and Quantity | 16 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 |
|---|---|
| 1214C3930 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 1214C3930 | 3/9 Design control — primary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
NSN 5950-01-311-5371 is a Transformer,radio Frequency, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-311-5371 has 1 manufacturer part number on file: 1214C3930 (Lockheed Martin Corporation Div Rms).
Key specifications for 1214C3930: Mounting Facility Quantity: 1 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Body Outside Diameter: 1.070 INCHES MAXIMUM IN; Turn Quantity: 17-1/2 SINGLE COMPONENT FIRST SECONDARY. 24 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.