The Transformer,radio Frequency, cataloged under National Stock Number 5950-00-645-2774, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-645-2774 |
| Item Name | Transformer,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 SINGLE GROUP |
| Inclosure Type | OPEN |
| Body Outside Diameter | 0.562 INCHES NOMINAL IN |
| Mounting Method | FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP |
| Inductance Rating | 0.66 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Inductance Rating | 1.34 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Adjustment Device Drive Type | SHAFT SINGLE COMPONENT |
| Adjustment Method and Quantity | 1 ADJUSTABLE CORE SINGLE COMPONENT |
| Mounting Hole Diameter | 0.125 INCHES NOMINAL SINGLE GROUP IN |
| Coil Form Type | HOLLOW SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Distance Between Mounting Facility Centers | 0.812 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Body Length | 1.125 INCHES NOMINAL IN |
| Rating Method | ELECTRICAL SINGLE COMPONENT SINGLE SECONDARY |
| Rating Method | ELECTRICAL SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 12.55 MEGAHERTZ MINIMUM AND 15.8 MEGAHERTZ MAXIMUM SINGLE COMPONENT |
| Terminal Type and Quantity | 4 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 |
| Reference | Meaning |
|---|---|
| SB1061 | 3/9 Design control — primary reference Dar Electronics Inc Commercial Products Div Dba National Radio Co |
NSN 5950-00-645-2774 is a Transformer,radio Frequency, classified under FSC 5950, Coils and Transformers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5985-01-616-6451. Verify interchangeability with system specifications before substitution.
Key specifications for 5950-00-645-2774: Mounting Facility Quantity: 2 SINGLE GROUP; Inclosure Type: OPEN; Body Outside Diameter: 0.562 INCHES NOMINAL IN; Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP. 18 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.