The Relay,electromagnetic, cataloged under National Stock Number 5945-01-347-1561, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Sprecher and Schuh Inc S and S Control Div. Government technical data includes 18 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-347-1561 |
| Primary Part Number | CS4-42E-120 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Sprecher and Schuh Inc S and S Control Div |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 SLOTTED HOLE SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 120.0 AC |
| Fragility Factor | MODERATELY RUGGED |
| Mounting Facility Pattern | IN-LINE SINGLE MOUNTING FACILITY |
| Arc Quenching Method | AIR |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 50.0 MILLIMETERS NOMINAL SINGLE MOUNTING FACILITY MM |
| Main Contact Load Current Rating at Maximum Rated Voltage | 10.0 AMPERES AC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Frequency in Hertz | 50.0 MINIMUM AND 60.0 MAXIMUM |
| Coil Quantity | 1 |
| Environmental Protection | DUSTPROOF |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 120.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING |
| Terminal Type and Quantity | 14 SCREW ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 4 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED AND 2 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION |
| Purpose for Which Designed | GENERAL |
| Mounting Slot Width | 5.0 MILLIMETERS NOMINAL SINGLE MOUNTING FACILITY MM |
| 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 |
|---|---|
| CS4-42E-120 PRIMARY | Sprecher and Schuh Inc S and S Control Div (USA) |
NSN 5945-01-347-1561 is a Relay,electromagnetic, manufactured by Sprecher and Schuh Inc S and S Control Div, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-347-1561 has 1 manufacturer part number on file: CS4-42E-120 (Sprecher and Schuh Inc S and S Control Div).
Key specifications for CS4-42E-120: Mounting Facility Type and Quantity: 2 SLOTTED HOLE SINGLE MOUNTING FACILITY; Overall Height: 74.0 MILLIMETERS NOMINAL MM; Main Contact Maximum Voltage Rating in Volts: 120.0 AC; Fragility Factor: MODERATELY RUGGED. 18 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.