The Relay,electromagnetic, cataloged under National Stock Number 5945-01-177-2803, 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 24 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5945-01-177-2803 |
| Primary Part Number | 5442-4HS |
| 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 |
| Main Contact Maximum Voltage Rating in Volts | 115.0 AC |
| Fragility Factor | MODERATELY RUGGED |
| Mounting Facility Pattern | TRIANGLE SINGLE MOUNTING FACILITY |
| Arc Quenching Method | AIR |
| Main Contact Load Current Rating at Maximum Rated Voltage | 5.0 AMPERES AC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle | 1.350 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Winding DC Resistance Rating | 2.5 KILOHMS NOMINAL SINGLE WINDING |
| Thread Direction | RIGHT-HAND SINGLE MOUNTING FACILITY |
| Nominal Thread Size | 0.112 INCHES SINGLE MOUNTING FACILITY IN |
| Coil Quantity | 1 |
| Environmental Protection | DUSTPROOF |
| Cubic Measure | 3.859 CUBIC INCHES |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 48.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 0.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Thread Quantity Per Inch | 40 SINGLE MOUNTING FACILITY |
| Terminal Type and Quantity | 14 WIRE HOOK ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY |
| Purpose for Which Designed | GENERAL |
| 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 |
|---|---|
| 5442-4HS PRIMARY | Te Connectivity Corporation (USA) |
| Reference | Meaning |
|---|---|
| 5442-4HS | 3/9 Design control — primary reference U.S. Government activity |
NSN 5945-01-177-2803 is a Relay,electromagnetic, manufactured by Te Connectivity Corporation, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-177-2803 has 1 manufacturer part number on file: 5442-4HS (Te Connectivity Corporation).
Key specifications for 5442-4HS: Mounting Facility Type and Quantity: 3 THREADED STUD(S) SINGLE MOUNTING FACILITY; Overall Height: 2.375 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 115.0 AC; Fragility Factor: MODERATELY RUGGED. 24 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.