The Transformer,radio Frequency, cataloged under National Stock Number 5950-00-674-0380, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 19 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. 6 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 | 5950-00-674-0380 |
| Primary Part Number | 1988268 |
| Item Name | Transformer,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Body Outside Diameter | 1.469 INCHES MAXIMUM IN |
| Turn Quantity | 700 SINGLE COMPONENT SINGLE PRIMARY |
| Mounting Method | THREADED STUD(S) SINGLE GROUP |
| Inductance Rating | 32.00 MILLIHENRIES MINIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Adjustment Device Drive Type | SHAFT SINGLE COMPONENT |
| Adjustment Method and Quantity | 1 ADJUSTABLE CORE SINGLE COMPONENT |
| Winding Conductor Size | 0.00397 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY IN |
| Coil Form Type | HOLLOW SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY SINGLE COMPONENT |
| Nominal Thread Size | 0.138 INCHES SINGLE GROUP IN |
| Body Length | 1.906 INCHES MAXIMUM IN |
| Rating Method | ELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 25.0 KILOHERTZ NOMINAL SINGLE COMPONENT |
| Thread Quantity Per Inch | 32 SINGLE GROUP |
| Terminal Type and Quantity | 3 WIRE HOOK |
| 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 |
|---|---|
| 771109 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 1988268 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 435768 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 5784 | Precision Electronics, Inc (USA) |
NSN 5950-00-674-0380 is a Transformer,radio Frequency, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-674-0380 has 4 manufacturer part numbers on file: 771109 (Lockheed Martin Corporation Div Rms - Mitchel Field), 1988268 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 435768 (Lockheed Martin Corporation Div Rms - Mitchel Field), 5784 (Precision Electronics, Inc).
6 possible matches (shared part number, not a government interchangeability claim): 5935-01-023-7286, 4710-01-067-3820, 5305-01-306-3513. Verify interchangeability with system specifications before substitution.
Key specifications for 1988268: Mounting Facility Quantity: 1 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Body Outside Diameter: 1.469 INCHES MAXIMUM IN; Turn Quantity: 700 SINGLE COMPONENT SINGLE PRIMARY. 19 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.