The Transformer,radio Frequency, cataloged under National Stock Number 5950-00-645-2991, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lucent Technologies Inc Corporate Headquarters. Government technical data includes 18 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-645-2991 |
| Primary Part Number | D163246 |
| Item Name | Transformer,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Lucent Technologies Inc Corporate Headquarters |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Body Outside Diameter | 1.719 INCHES NOMINAL IN |
| Turn Quantity | 676 SINGLE COMPONENT SINGLE PRIMARY |
| Mounting Method | THREADED STUD(S) SINGLE GROUP |
| Inductance Rating | 350.00 MICROHENRIES NOMINAL AND 4.68 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Winding Conductor Size | 0.00315 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY IN |
| Coil Form Type | SOLID SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY SINGLE COMPONENT |
| Distance Between Mounting Facility Centers | 1.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Nominal Thread Size | 0.164 INCHES SINGLE GROUP IN |
| Body Length | 2.781 INCHES NOMINAL IN |
| Rating Method | WINDING TURNS AND ELECTRICAL SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 160.0 KILOHERTZ MINIMUM AND 180.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Thread Quantity Per Inch | 32 SINGLE GROUP |
| Terminal Type and Quantity | 3 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 |
| Part Number | Manufacturer |
|---|---|
| D163246 PRIMARY | Lucent Technologies Inc Corporate Headquarters (USA) |
| Reference | Meaning |
|---|---|
| ESX638975ISSUE19PT88 | 5/9 Secondary reference At and T Corp |
| D163246 | 5/9 Secondary reference Lucent Technologies Inc Dba Federal Marketing Group |
| ESX638975T88 | 5/9 Secondary reference American Telephone and Telegraph Co |
| ESX638975ISSUE19PT88 | 5/9 Secondary reference American Telephone and Telegraph Co |
| D163246 | 3/9 Design control — primary reference American Telephone and Telegraph Co |
| D163246 | 5/9 Secondary reference At and T Corp |
| 163246 | 5/9 Secondary reference At and T Corp |
NSN 5950-00-645-2991 is a Transformer,radio Frequency, manufactured by Lucent Technologies Inc Corporate Headquarters, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-645-2991 has 1 manufacturer part number on file: D163246 (Lucent Technologies Inc Corporate Headquarters).
Key specifications for D163246: Mounting Facility Quantity: 2 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Body Outside Diameter: 1.719 INCHES NOMINAL IN; Turn Quantity: 676 SINGLE COMPONENT SINGLE PRIMARY. 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.