The Relay,electromagnetic, cataloged under National Stock Number 5945-00-593-7559, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Esna, Llc. Government technical data includes 27 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through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-593-7559 |
| Primary Part Number | 7022L8KN |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Esna, Llc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) SECOND MOUNTING FACILITY |
| Mounting Facility Type and Quantity | 6 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 240.0 AC AND 30.0 DC |
| Fragility Factor | MODERATELY RUGGED |
| Mounting Facility Pattern | RECTANGULAR FIRST MOUNTING FACILITY |
| Mounting Facility Pattern | RECTANGULAR SECOND MOUNTING FACILITY |
| Arc Quenching Method | AIR |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.880 INCHES NOMINAL FIRST MOUNTING FACILITY IN |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.750 INCHES NOMINAL SECOND MOUNTING FACILITY IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 10.0 AMPERES AC AND 15.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Unthreaded Mounting Hole Diameter | 0.199 INCHES NOMINAL FIRST MOUNTING FACILITY IN |
| Frequency in Hertz | 60.0 NOMINAL |
| Center to Center Distance Between Mounting Facilities Parallel to Height | 0.500 INCHES NOMINAL SECOND MOUNTING FACILITY IN |
| Center to Center Distance Between Mounting Facilities Parallel to Height | 0.750 INCHES MINIMUM AND 1.500 INCHES MAXIMUM FIRST MOUNTING FACILITY IN |
| Thread Direction | RIGHT-HAND SECOND MOUNTING FACILITY |
| Nominal Thread Size | 0.164 INCHES SECOND MOUNTING FACILITY IN |
| Time Delay | 1.00 SECONDS MINIMUM AND 300.00 SECONDS MAXIMUM ADJUSTABLE RELEASE TIME |
| Coil Quantity | 1 |
| Environmental Protection | DUSTPROOF |
| Cubic Measure | 45.392 CUBIC INCHES |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING |
| Thread Class | 2B SECOND MOUNTING FACILITY |
| Thread Quantity Per Inch | 32 SECOND MOUNTING FACILITY |
| Material | PLASTIC CASE |
| 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 |
|---|---|
| 7022L8KN | Esna, Llc (USA) |
| Reference | Meaning |
|---|---|
| DER25N-110VAC | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| A1418PC3 | 5/9 Secondary reference Cayuga Mfg Corp |
| A1542PC3 | 5/9 Secondary reference Cayuga Mfg Corp |
| DER25N110VAC | 5/9 Secondary reference Harvard Industries Inc |
| 2422L8EN | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| A1587PC3 | 5/9 Secondary reference Cayuga Mfg Corp |
| DER25N | 5/9 Secondary reference Harvard Industries Inc |
| 7022L8KN | 3/2 Design control — primary reference U.S. Government activity |
| A1542PC3-110VAC | 5/9 Secondary reference Cayuga Mfg Corp |
| 1542PC3 | 5/9 Secondary reference Cayuga Mfg Corp |
| 7022L8KN | 5/9 Secondary reference Harvard Industries Inc |
NSN 5945-00-593-7559 is a Relay,electromagnetic, manufactured by Esna, Llc, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-593-7559 has 1 manufacturer part number on file: 7022L8KN (Esna, Llc).
Key specifications for 7022L8KN: Mounting Facility Type and Quantity: 4 THREADED HOLE(S) SECOND MOUNTING FACILITY; Mounting Facility Type and Quantity: 6 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY; Overall Height: 4.520 INCHES MAXIMUM IN; Main Contact Maximum Voltage Rating in Volts: 240.0 AC AND 30.0 DC. 27 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.