The Relay,electromagnetic, cataloged under National Stock Number 5945-01-078-6683, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lennox Industries Inc. Government technical data includes 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-078-6683 |
| Primary Part Number | P8-872 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Lennox Industries Inc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 SLOTTED HOLE SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 277.0 AC |
| Duty Type | CONTINUOUS |
| Frequency in Hertz | 60.0 NOMINAL |
| Winding DC Resistance Rating | 36.7 OHMS NOMINAL SINGLE WINDING |
| Coil Quantity | 1 |
| Environmental Protection | DUSTPROOF |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 24.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING |
| Terminal Type and Quantity | 4 TAB, SOLDER LUG ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Mounting Slot Width | 0.250 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| 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 |
|---|---|
| P8-872 | Lennox Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 3ARR4BL32 | 3/9 Design control — primary reference Communications Instruments Inc Div of Cii Technologies |
| 3ARR4BL32 | 5/9 Secondary reference Genicom Corp |
| 3ARR4BL32 | 5/9 Secondary reference General Electric Co Food Service Equipment Business Dept |
NSN 5945-01-078-6683 is a Relay,electromagnetic, manufactured by Lennox Industries Inc, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-078-6683 has 1 manufacturer part number on file: P8-872 (Lennox Industries Inc).
Key specifications for P8-872: Mounting Facility Type and Quantity: 1 SLOTTED HOLE SINGLE MOUNTING FACILITY; Overall Height: 2.016 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 277.0 AC; Duty Type: CONTINUOUS. 12 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.