The Transformer,radio Frequency, cataloged under National Stock Number 5950-00-645-3280, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-645-3280 |
| Item Name | Transformer,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Status | ACTIVE |
| Transformer Function | INTERSTAGE |
| Mounting Facility Quantity | 2 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Mounting Method | THREADED STUD(S) SINGLE GROUP |
| Inductance Rating | 10.50 MICROHENRIES MINIMUM AND 12.60 MICROHENRIES MAXIMUM SINGLE COMPONENT SINGLE SECONDARY |
| Inductance Rating | 4.05 MICROHENRIES MINIMUM AND 7.20 MICROHENRIES MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Adjustment Device Drive Type | SLOTTED SCREW SINGLE COMPONENT |
| Body Width | 0.938 INCHES NOMINAL IN |
| Body Height | 1.906 INCHES NOMINAL IN |
| Adjustment Method and Quantity | 2 ADJUSTABLE CORE SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Winding Shielding Method | INTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT |
| Distance Between Mounting Facility Centers | 0.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Nominal Thread Size | 0.138 INCHES SINGLE GROUP IN |
| Body Length | 1.880 INCHES NOMINAL IN |
| Rating Method | ELECTRICAL SINGLE COMPONENT SINGLE SECONDARY |
| Rating Method | ELECTRICAL SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 70.0 KILOHERTZ MINIMUM AND 250.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Terminal Type and Quantity | 4 TAB, SOLDER LUG |
| 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 |
| Reference | Meaning |
|---|---|
| 165331 | 3/9 Design control — primary reference Stewart-Warner Corporation |
NSN 5950-00-645-3280 is a Transformer,radio Frequency, classified under FSC 5950, Coils and Transformers. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 1660-00-884-2851, 5845-00-999-3143, 5998-01-366-0359. Verify interchangeability with system specifications before substitution.
Key specifications for 5950-00-645-3280: Transformer Function: INTERSTAGE; Mounting Facility Quantity: 2 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Mounting Method: THREADED STUD(S) SINGLE GROUP. 21 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.