The Relay,electromagnetic, cataloged under National Stock Number 5945-01-509-6790, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-509-6790 |
| Primary Part Number | 556-7410447-AY-1-7 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 240.0 AC |
| Main Contact Load Current Rating at Maximum Rated Voltage | 10.0 AMPERES AC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Frequency in Hertz | 50.0 NOMINAL OR 60.0 NOMINAL |
| Time Delay | 0.10 SECONDS MINIMUM AND 102.30 SECONDS MAXIMUM FIXED RELEASE TIME |
| Coil Quantity | 1 |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 24.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING |
| Terminal Type and Quantity | 1 STANDARD TUBE BASE ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| 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 |
|---|---|
| 556-7410447-AY-1-7 PRIMARY | Naval Sea Systems Command (USA) |
| TDBL24DLD | Ssac Inc (USA) |
| Reference | Meaning |
|---|---|
| B673-3005-AY-1-7 | 5/2 Secondary reference U.S. Government activity |
NSN 5945-01-509-6790 is a Relay,electromagnetic, manufactured by Naval Sea Systems Command, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-509-6790 has 2 manufacturer part numbers on file: 556-7410447-AY-1-7 (Naval Sea Systems Command), TDBL24DLD (Ssac Inc).
Key specifications for 556-7410447-AY-1-7: Mounting Facility Type and Quantity: 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY; Overall Height: 3.078 INCHES MAXIMUM IN; Main Contact Maximum Voltage Rating in Volts: 240.0 AC; Main Contact Load Current Rating at Maximum Rated Voltage: 10.0 AMPERES AC RESISTIVE LOAD. 11 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.