The Relay,electromagnetic, cataloged under National Stock Number 5945-01-074-1509, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Keysight Technologies Inc. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-074-1509 |
| Primary Part Number | 0490-0643 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 PRINTED CIRCUIT TERMINAL SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 220.0 AC AND 26.0 DC |
| Fragility Factor | MODERATELY RUGGED |
| Arc Quenching Method | AIR |
| Precious Material | GOLD AND SILVER |
| Main Contact Load Current Rating at Maximum Rated Voltage | 2.0 AMPERES AC AND 5.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Winding DC Resistance Rating | 440.0 OHMS NOMINAL SINGLE WINDING |
| Time Delay | 0.006 SECONDS NOMINAL FIXED RELEASE TIME |
| Time Delay | 0.005 SECONDS NOMINAL FIXED OPERATE TIME |
| Coil Quantity | 1 |
| Environmental Protection | DUSTPROOF |
| Precious Material and Location | CONTACTS SILVER AND TERMINAL SURFACES GOLD |
| Cubic Measure | 0.582 CUBIC INCHES |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Material | PLASTIC CASE |
| Material | SILVER CONTACT |
| Terminal Type and Quantity | 1 PRINTED CIRCUIT ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Purpose for Which Designed | GENERAL |
| 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 |
|---|---|
| 0490-0643 PRIMARY | Keysight Technologies Inc (USA) |
| AZ-1535-08-2 | American Zettler Inc (USA) |
| Reference | Meaning |
|---|---|
| 0490-0643 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 0490-0643 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
| R50-E0216-1 | 5/9 Secondary reference Te Connectivity Corporation |
NSN 5945-01-074-1509 is a Relay,electromagnetic, manufactured by Keysight Technologies Inc, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-074-1509 has 2 manufacturer part numbers on file: 0490-0643 (Keysight Technologies Inc), AZ-1535-08-2 (American Zettler Inc).
Key specifications for 0490-0643: Mounting Facility Type and Quantity: 1 PRINTED CIRCUIT TERMINAL SINGLE MOUNTING FACILITY; Overall Height: 0.573 INCHES MAXIMUM IN; Main Contact Maximum Voltage Rating in Volts: 220.0 AC AND 26.0 DC; Fragility Factor: MODERATELY RUGGED. 22 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.