The Relay,electromagnetic, cataloged under National Stock Number 5945-00-258-7647, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lucent Technologies Inc Corporate Headquarters. Government technical data includes 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-258-7647 |
| Primary Part Number | ES529779 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Lucent Technologies Inc Corporate Headquarters |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 115.0 AC AND 24.0 DC |
| Mounting Facility Pattern | TRIANGLE SINGLE MOUNTING FACILITY |
| Main Contact Load Current Rating at Maximum Rated Voltage | 25.0 AMPERES AC AND 2.5 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Unthreaded Mounting Hole Diameter | 0.161 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle | 1.781 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Winding DC Resistance Rating | 138.0 OHMS NOMINAL SINGLE WINDING |
| Nominal Operating Current Rating and Type | 0.17 AMPERES DC SINGLE WINDING |
| Time Delay | 0.30 SECONDS NOMINAL FIXED RELEASE TIME |
| Coil Quantity | 1 |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Terminal Type and Quantity | 4 PIN ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| 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 |
|---|---|
| CR2791J118A103 | General Electric Company (USA) |
| ES529779 PRIMARY | Lucent Technologies Inc Corporate Headquarters (USA) |
| Reference | Meaning |
|---|---|
| ES529779 | 5/9 Secondary reference American Telephone and Telegraph Co |
| ES529779 | 3/9 Design control — primary reference Lucent Technologies Inc Dba Federal Marketing Group |
| ES529779 | 5/9 Secondary reference At and T Corp |
NSN 5945-00-258-7647 is a Relay,electromagnetic, manufactured by Lucent Technologies Inc Corporate Headquarters, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-258-7647 has 2 manufacturer part numbers on file: CR2791J118A103 (General Electric Company), ES529779 (Lucent Technologies Inc Corporate Headquarters).
Key specifications for ES529779: Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 1.680 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 115.0 AC AND 24.0 DC; Mounting Facility Pattern: TRIANGLE SINGLE MOUNTING FACILITY. 15 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.