The Relay,electromagnetic, cataloged under National Stock Number 5945-00-009-1239, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-009-1239 |
| Primary Part Number | K-D2A-028 |
| 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 | 3 SLOTTED HOLE SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 115.0 AC AND 28.0 DC |
| Fragility Factor | MODERATELY RUGGED |
| Mounting Facility Pattern | TRIANGLE SINGLE MOUNTING FACILITY |
| Arc Quenching Method | AIR |
| Precious Material | GOLD AND SILVER |
| Main Contact Load Current Rating at Maximum Rated Voltage | 15.0 AMPERES AC AND 15.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle | 0.625 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Winding DC Resistance Rating | 29.0 OHMS NOMINAL SINGLE WINDING |
| Features Provided | POLARIZED |
| Nominal Operating Current Rating and Type | 120.0 MILLIAMPERES DC SINGLE WINDING |
| Time Delay | 0.015 SECONDS MAXIMUM FIXED OPERATE AND RELEASE TIME |
| Coil Quantity | 1 |
| Surface Treatment | GOLD CONTACT |
| Environmental Protection | HERMETIC |
| Precious Material and Location | CONTACT SURFACES GOLD AND CONTACTS SILVER |
| Cubic Measure | 2.256 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 | 1.396 INCHES MINIMUM AND 1.446 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN |
| Material | SILVER CONTACT |
| Terminal Type and Quantity | 14 PIN ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Purpose for Which Designed | GENERAL |
| Mounting Slot Width | 0.150 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| 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 |
|---|---|
| K-D2A-028 | Leach International Corp Div Leach International Corporation (USA) |
| Reference | Meaning |
|---|---|
| BACR13CG3A | 3/2 Design control — primary reference U.S. Government activity |
| BACR13CG3 | 5/9 Secondary reference U.S. Government activity |
| FCA-410-64 | 5/9 Secondary reference Struthers-Dunn Inc |
| K-D2A-005 | 5/9 Secondary reference Leach International Corp Div Leach International Corporation |
NSN 5945-00-009-1239 is a Relay,electromagnetic, manufactured by Leach International Corp Div Leach International Corporation, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-009-1239 has 1 manufacturer part number on file: K-D2A-028 (Leach International Corp Div Leach International Corporation).
Key specifications for K-D2A-028: Mounting Facility Type and Quantity: 3 SLOTTED HOLE SINGLE MOUNTING FACILITY; Overall Height: 1.270 INCHES NOMINAL 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.