The Coil,electrical, cataloged under National Stock Number 5950-00-646-3979, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Devlieg Bullard II Inc.. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5950-00-646-3979 |
| Primary Part Number | 3K309B12X |
| Item Name | Coil,electrical |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Devlieg Bullard II Inc. |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Turn Quantity | 5500 SINGLE COMPONENT SINGLE WINDING |
| Mounting Method | UNTHREADED HOLE(S) SINGLE GROUP |
| Body Width | 1.375 INCHES NOMINAL IN |
| Body Height | 1.312 INCHES NOMINAL IN |
| Winding Conductor Size | 0.00780 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN |
| Mounting Hole Diameter | 0.500 INCHES NOMINAL SINGLE GROUP IN |
| Body Length | 1.687 INCHES NOMINAL IN |
| Rating Method | WINDING TURNS SINGLE COMPONENT SINGLE WINDING |
| DC Resistance Rating in Ohms | 345.600 SINGLE COMPONENT SINGLE WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Winding Quantity | 1 SINGLE COMPONENT |
| Winding Operating Voltage | 230.00 DC VOLTS NOMINAL SINGLE COMPONENT SINGLE WINDING |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG |
| 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 |
|---|---|
| 3K309B12X PRIMARY | Devlieg Bullard II Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3K309B12X | 3/9 Design control — primary reference Acme-Cleveland Corp National Acme Div |
NSN 5950-00-646-3979 is a Coil,electrical, manufactured by Devlieg Bullard II Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-646-3979 has 1 manufacturer part number on file: 3K309B12X (Devlieg Bullard II Inc.).
Key specifications for 3K309B12X: Mounting Facility Quantity: 1 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Turn Quantity: 5500 SINGLE COMPONENT SINGLE WINDING; Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP. 15 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.