The Relay,electromagnetic, cataloged under National Stock Number 5945-00-027-0790, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Support Services Corp. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5945-00-027-0790 |
| Primary Part Number | 578R145H08 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 115.0 AC AND 28.0 DC |
| Main Contact Load Current Rating at Maximum Rated Voltage | 1.0 AMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Winding DC Resistance Rating | 765.0 OHMS NOMINAL SINGLE WINDING |
| Features Provided | POLARIZED |
| Coil Quantity | 1 |
| Environmental Protection | HERMETIC |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Terminal Type and Quantity | 8 PIN ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 1 POLE, DOUBLE THROW, 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 |
|---|---|
| ER-SX-2135 | Allied Controls, Inc. (USA) |
| E-A1AA-027 | Leach International Corp Div Leach International Corporation (USA) |
| 578R145H08 PRIMARY | Northrop Grumman Support Services Corp (USA) |
| Reference | Meaning |
|---|---|
| BRDJ26C1P6A-14 | 5/2 Secondary reference U.S. Government activity |
| 578R145H08 | 3/9 Design control — primary reference U.S. Government activity |
| 3SAV1210A2 | 5/9 Secondary reference Genicom Corp |
| FC-1-395W | 5/9 Secondary reference Struthers-Dunn Inc |
| 3SAV1210A2 | 5/9 Secondary reference Communications Instruments Inc Div of Cii Technologies |
NSN 5945-00-027-0790 is a Relay,electromagnetic, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-027-0790 has 3 manufacturer part numbers on file: ER-SX-2135 (Allied Controls, Inc.), E-A1AA-027 (Leach International Corp Div Leach International Corporation), 578R145H08 (Northrop Grumman Support Services Corp).
Key specifications for 578R145H08: Mounting Facility Type and Quantity: 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY; Overall Height: 0.622 INCHES MAXIMUM IN; Main Contact Maximum Voltage Rating in Volts: 115.0 AC AND 28.0 DC; Main Contact Load Current Rating at Maximum Rated Voltage: 1.0 AMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD. 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.