The Coil,electrical, cataloged under National Stock Number 5950-00-645-6587, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Automatic Switch Company Dba Asco. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-645-6587 |
| Primary Part Number | 27-478-3 |
| Item Name | Coil,electrical |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Automatic Switch Company Dba Asco |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Body Outside Diameter | 2.625 INCHES NOMINAL IN |
| Turn Quantity | 1200 SINGLE COMPONENT SINGLE WINDING |
| Mounting Method | UNTHREADED HOLE(S) SINGLE GROUP |
| Winding Conductor Size | 0.02010 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN |
| Mounting Hole Diameter | 1.000 INCHES NOMINAL SINGLE GROUP IN |
| Body Length | 2.688 INCHES NOMINAL IN |
| Rating Method | WINDING TURNS SINGLE COMPONENT SINGLE WINDING |
| DC Resistance Rating in Ohms | 6.200 SINGLE COMPONENT SINGLE WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Winding Quantity | 1 SINGLE COMPONENT |
| Winding Operating Voltage | 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE WINDING |
| Terminal Type and Quantity | 2 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 |
| Part Number | Manufacturer |
|---|---|
| 27-478-3 PRIMARY | Automatic Switch Company Dba Asco (USA) |
| 27-478-3D | Automatic Switch Company Dba Asco (USA) |
| Reference | Meaning |
|---|---|
| GV-27-478-3A | C/1 Advisory reference — outside the item-of-supply concept Automatic Switch Company Dba Asco |
| 27-478-311560LHP | 5/9 Secondary reference Automatic Switch Company Dba Asco |
| 27-478-3A115VAC | C/1 Advisory reference — outside the item-of-supply concept Automatic Switch Company Dba Asco |
NSN 5950-00-645-6587 is a Coil,electrical, manufactured by Automatic Switch Company Dba Asco, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-645-6587 has 2 manufacturer part numbers on file: 27-478-3 (Automatic Switch Company Dba Asco), 27-478-3D (Automatic Switch Company Dba Asco).
1 possible match (shared part number, not a government interchangeability claim): 5950-01-511-2268. Verify interchangeability with system specifications before substitution.
Key specifications for 27-478-3: Mounting Facility Quantity: 1 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Body Outside Diameter: 2.625 INCHES NOMINAL IN; Turn Quantity: 1200 SINGLE COMPONENT SINGLE WINDING. 14 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.