The Relay,electromagnetic, cataloged under National Stock Number 5945-01-186-3136, 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 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-186-3136 |
| Primary Part Number | A-A4A-10254 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Leach International Corp Div Leach International Corporation |
| Status | ACTIVE |
| Nonpile-Up Auxiliary Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, DOUBLE MAKE, MOMENTARY ACTION AND 1 POLE, SINGLE THROW, NORMALLY CLOSED, DOUBLE BREAK, MOMENTARY ACTION |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 29.0 DC |
| Mounting Facility Pattern | IN-LINE SINGLE MOUNTING FACILITY |
| Main Contact Load Current Rating at Maximum Rated Voltage | 300.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Unthreaded Mounting Hole Diameter | 0.266 INCHES MINIMUM AND 0.272 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Features Provided | POLARIZED |
| Coil Quantity | 1 |
| Cubic Measure | 38.083 CUBIC INCHES |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.990 INCHES MINIMUM AND 3.010 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN |
| Terminal Type and Quantity | 8 THREADED STUD ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, DOUBLE MAKE, MOMENTARY ACTION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A-A4A-10254 PRIMARY | Leach International Corp Div Leach International Corporation (USA) |
| Reference | Meaning |
|---|---|
| 406-075-846-101 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5945-01-186-3136 is a Relay,electromagnetic, manufactured by Leach International Corp Div Leach International Corporation, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-186-3136 has 1 manufacturer part number on file: A-A4A-10254 (Leach International Corp Div Leach International Corporation).
Key specifications for A-A4A-10254: Nonpile-Up Auxiliary Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, DOUBLE MAKE, MOMENTARY ACTION AND 1 POLE, SINGLE THROW, NORMALLY CLOSED, DOUBLE BREAK, MOMENTARY ACTION; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 2.740 INCHES MINIMUM AND 2.843 INCHES MAXIMUM IN; Main Contact Maximum Voltage Rating in Volts: 29.0 DC. 16 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.
NSN 5945-01-186-3136 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.