The Coil,electrical, cataloged under National Stock Number 5950-01-254-2859, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Winding Specialists Co., Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5950-01-254-2859 |
| Primary Part Number | 21488-1 |
| Item Name | Coil,electrical |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Winding Specialists Co., Inc |
| Status | ACTIVE |
| Inclosure Type | OPEN |
| Overall Diameter | 1.175 INCHES NOMINAL IN |
| Turn Quantity | 20000 SINGLE COMPONENT SINGLE WINDING |
| Mounting Method | TERMINAL SINGLE GROUP |
| Winding Conductor Size | 0.00280 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN |
| Rating Method | WINDING TURNS SINGLE COMPONENT SINGLE WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Winding Quantity | 1 SINGLE COMPONENT |
| 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 |
|---|---|
| 21488-1 | Winding Specialists Co., Inc (USA) |
| 21488-1 | Coil Specialty Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 21488-1 | 3/2 Design control — primary reference U.S. Government activity |
| 21488-1 | 5/9 Secondary reference The Boeing Company Dba Boeing |
NSN 5950-01-254-2859 is a Coil,electrical, manufactured by Winding Specialists Co., Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-254-2859 has 2 manufacturer part numbers on file: 21488-1 (Winding Specialists Co., Inc), 21488-1 (Coil Specialty Company, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 7920-01-697-0384. Verify interchangeability with system specifications before substitution.
Key specifications for 21488-1: Inclosure Type: OPEN; Overall Diameter: 1.175 INCHES NOMINAL IN; Turn Quantity: 20000 SINGLE COMPONENT SINGLE WINDING; Mounting Method: TERMINAL SINGLE GROUP. 9 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.