The Coil,electrical, cataloged under National Stock Number 5950-01-539-7861, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Eaton Corporation. Government technical data includes 1 specification, 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 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 | 5950-01-539-7861 |
| Primary Part Number | MST3 |
| Item Name | Coil,electrical |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Eaton Corporation |
| Status | ACTIVE |
| Winding Operating Voltage | 24.00 DC VOLTS NOMINAL ALL COMPONENTS ALL PRIMARY |
| 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 |
|---|---|
| MST3 PRIMARY | Eaton Corporation (USA) |
NSN 5950-01-539-7861 is a Coil,electrical, manufactured by Eaton Corporation, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-539-7861 has 1 manufacturer part number on file: MST3 (Eaton Corporation).
1 possible match (shared part number, not a government interchangeability claim): 6120-01-562-0503. Verify interchangeability with system specifications before substitution.
Key specifications for MST3: Part Name Assigned by Controlling Agency: SHUNT TRIP (OPENING COIL); End Item Identification: HEMP ENDURABLE POWER SYSTEM; Winding Operating Voltage: 24.00 DC VOLTS NOMINAL ALL COMPONENTS ALL PRIMARY. 1 specification is 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.