The Relay,electromagnetic, cataloged under National Stock Number 5945-00-556-7664, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5945-00-556-7664 |
| Primary Part Number | G57688PCALL |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 ELECTRICAL PLUG CONNECTOR SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 300.0 DC |
| Main Contact Load Current Rating at Maximum Rated Voltage | 4.0 AMPERES DC INDUCTIVE LOAD |
| Duty Type | CONTINUOUS |
| Time Delay | 15.00 SECONDS MINIMUM AND 20.00 SECONDS MAXIMUM ADJUSTABLE OPERATE TIME |
| Coil Quantity | 1 |
| Environmental Protection | HERMETIC |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING |
| 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 |
|---|---|
| G57688PCALL PRIMARY | Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co (USA) |
| G57688-115 | Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co (USA) |
| Reference | Meaning |
|---|---|
| G-57688--ALL | C/1 Advisory reference — outside the item-of-supply concept Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co |
NSN 5945-00-556-7664 is a Relay,electromagnetic, manufactured by Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-556-7664 has 2 manufacturer part numbers on file: G57688PCALL (Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co), G57688-115 (Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co).
Key specifications for G57688PCALL: Mounting Facility Type and Quantity: 1 ELECTRICAL PLUG CONNECTOR SINGLE MOUNTING FACILITY; Overall Height: 2.560 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 300.0 DC; Main Contact Load Current Rating at Maximum Rated Voltage: 4.0 AMPERES DC INDUCTIVE LOAD. 9 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.