The Relay,electromagnetic, cataloged under National Stock Number 5945-00-043-3762, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-043-3762 |
| Primary Part Number | 5497-56HSA |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Te Connectivity Corporation |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 250.0 AC |
| Mounting Facility Pattern | DIAGONAL SINGLE MOUNTING FACILITY |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 0.626 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 15.0 AMPERES AC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Unthreaded Mounting Hole Diameter | 0.313 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Winding DC Resistance Rating | 135.0 OHMS NOMINAL SINGLE WINDING |
| Nominal Operating Current Rating and Type | 22.0 AMPERES DC SINGLE WINDING |
| Coil Quantity | 1 |
| Environmental Protection | CORROSION RESISTANT |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Terminal Type and Quantity | 18 PIN ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 4 POLE, DOUBLE THROW, DOUBLE BREAK/DOUBLE MAKE, ONE POSITION MOMENTARY |
| 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 |
|---|---|
| 5497-56HSA | Te Connectivity Corporation (USA) |
| 271-1506P4 | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| MFE44-28VDC | 3/9 Design control — primary reference Telemecanique Inc |
| 5497-56HSA | 5/9 Secondary reference U.S. Government activity |
| 5497-56HSA | 5/9 Secondary reference Te Connectivity Corporation |
| MFE44-28VDC | C/1 Advisory reference — outside the item-of-supply concept Schneider Electric Usa, Inc. |
| 271-1506P4 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5945-00-043-3762 is a Relay,electromagnetic, manufactured by Te Connectivity Corporation, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-043-3762 has 2 manufacturer part numbers on file: 5497-56HSA (Te Connectivity Corporation), 271-1506P4 (Raytheon Company Dba Raytheon Co).
Key specifications for 5497-56HSA: Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 2.468 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 250.0 AC; Mounting Facility Pattern: DIAGONAL SINGLE MOUNTING FACILITY. 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.