The Relay,electromagnetic, cataloged under National Stock Number 5945-01-210-5331, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-210-5331 |
| Primary Part Number | K30-0003-103 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 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 | IN-LINE SINGLE MOUNTING FACILITY |
| Arc Quenching Method | AIR |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Precious Material | GOLD AND SILVER |
| Main Contact Load Current Rating at Maximum Rated Voltage | 30.0 AMPERES AC AND 30.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Winding DC Resistance Rating | 100.0 OHMS NOMINAL SINGLE WINDING |
| Time Delay | 0.02 SECONDS MAXIMUM FIXED OPERATE TIME |
| Time Delay | 0.028 SECONDS MAXIMUM FIXED RELEASE TIME |
| Coil Quantity | 1 |
| Surface Treatment | GOLD CONTACT |
| Environmental Protection | DUSTPROOF |
| Precious Material and Location | CONTACTS SILVER AND CONTACT SURFACES GOLD |
| Cubic Measure | 4.981 CUBIC INCHES |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 12.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Material | PLASTIC CASE |
| Material | SILVER CONTACT |
| Energizing Element Power Rating | 1.5 WATTS |
| Terminal Type and Quantity | 8 QUICK DISCONNECT, MALE ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Purpose for Which Designed | GENERAL |
| Mounting Slot Width | 0.156 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 |
|---|---|
| K30-0003-103 PRIMARY | L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications (USA) |
| Reference | Meaning |
|---|---|
| W389CX-7 | 5/2 Secondary reference U.S. Government activity |
| 389CX-7 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5945-01-210-5331 is a Relay,electromagnetic, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-210-5331 has 1 manufacturer part number on file: K30-0003-103 (L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications).
Key specifications for K30-0003-103: Mounting Facility Type and Quantity: 2 SLOTTED HOLE SINGLE MOUNTING FACILITY; Overall Height: 1.406 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.