The Relay,electromagnetic, cataloged under National Stock Number 5945-01-025-7531, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Te Connectivity Corporation. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5945-01-025-7531 |
| Primary Part Number | MB-4369 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Te Connectivity Corporation |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 3 THREADED STUD(S) SINGLE MOUNTING FACILITY |
| Mounting Facility Pattern | TRIANGLE SINGLE MOUNTING FACILITY |
| Duty Type | CONTINUOUS |
| Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle | 1.187 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Frequency in Hertz | 50.0 MINIMUM AND 60.0 MAXIMUM |
| Nominal Thread Size | 0.138 INCHES SINGLE MOUNTING FACILITY IN |
| Time Delay | 0.005 SECONDS NOMINAL FIXED RELEASE TIME |
| Time Delay | 0.025 SECONDS NOMINAL FIXED OPERATE TIME |
| Coil Quantity | 1 |
| Environmental Protection | HERMETIC |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 120.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Terminal Type and Quantity | 4 PIN ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MB-4369 | Te Connectivity Corporation (USA) |
| Reference | Meaning |
|---|---|
| MB-4369 | 3/9 Design control — primary reference Potter and Brumfield Div Amf Canada Ltd |
NSN 5945-01-025-7531 is a Relay,electromagnetic, manufactured by Te Connectivity Corporation, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-025-7531 has 1 manufacturer part number on file: MB-4369 (Te Connectivity Corporation).
Key specifications for MB-4369: Mounting Facility Type and Quantity: 3 THREADED STUD(S) SINGLE MOUNTING FACILITY; Overall Height: 2.535 INCHES MAXIMUM IN; Mounting Facility Pattern: TRIANGLE SINGLE MOUNTING FACILITY; Duty Type: CONTINUOUS. 16 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.