The Relay,electromagnetic, cataloged under National Stock Number 5945-01-322-4479, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Leach International Corp Div Leach International Corporation. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-322-4479 |
| Primary Part Number | KCA-E1K |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Leach International Corp Div Leach International Corporation |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 115.0 AC AND 28.0 DC |
| Fragility Factor | MODERATELY RUGGED |
| Mounting Facility Pattern | RECTANGULAR SINGLE MOUNTING FACILITY |
| Arc Quenching Method | AIR |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.396 INCHES MINIMUM AND 1.446 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN |
| Precious Material | GOLD |
| Main Contact Load Current Rating at Maximum Rated Voltage | 25.0 AMPERES AC AND 25.0 AMPERES DC RESISTIVE LOAD |
| Main Contact Load Current Rating at Maximum Rated Voltage | 5.0 AMPERES AC AND 5.0 AMPERES DC LAMP LOAD |
| Main Contact Load Current Rating at Maximum Rated Voltage | 10.0 AMPERES AC AND 10.0 AMPERES DC MOTOR LOAD |
| Main Contact Load Current Rating at Maximum Rated Voltage | 15.0 AMPERES AC AND 12.0 AMPERES DC INDUCTIVE LOAD |
| Duty Type | CONTINUOUS |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Unthreaded Mounting Hole Diameter | 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN |
| Frequency in Hertz | 60.0 NOMINAL |
| Nominal Operating Current Rating and Type | 28.0 MILLIAMPERES AC SINGLE WINDING |
| Time Delay | 0.02 SECONDS MAXIMUM FIXED OPERATE TIME |
| Time Delay | 0.05 SECONDS MAXIMUM FIXED RELEASE TIME |
| Coil Quantity | 1 |
| Environmental Protection | SHOCK PROOF AND VIBRATION PROOF |
| Precious Material and Location | CONTACTS GOLD AND TERMINAL SURFACES GOLD |
| Cubic Measure | 2.254 CUBIC INCHES |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN |
| Material | GOLD CONTACT |
| Terminal Type and Quantity | 11 PIN ALL FUNCTIONS |
| 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 |
|---|---|
| KCA-E1K PRIMARY | Leach International Corp Div Leach International Corporation (USA) |
NSN 5945-01-322-4479 is a Relay,electromagnetic, manufactured by Leach International Corp Div Leach International Corporation, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-322-4479 has 1 manufacturer part number on file: KCA-E1K (Leach International Corp Div Leach International Corporation).
Key specifications for KCA-E1K: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 1.260 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN; Main Contact Maximum Voltage Rating in Volts: 115.0 AC AND 28.0 DC; Fragility Factor: MODERATELY RUGGED. 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.