The Relay,electromagnetic, cataloged under National Stock Number 5945-00-683-4665, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-683-4665 |
| Primary Part Number | 57A5A252-1 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY |
| Pile-Up Main Contact Form Arrangement | 1C |
| Main Contact Maximum Voltage Rating in Volts | 115.0 AC AND 28.0 DC |
| Overall Diameter | 0.750 INCHES NOMINAL IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 250.0 MILLIAMPERES AC AND 500.0 MILLIAMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Winding DC Resistance Rating | 900.0 OHMS NOMINAL SINGLE WINDING |
| Coil Quantity | 1 |
| Environmental Protection | HERMETIC |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Terminal Type and Quantity | 5 PIN ALL FUNCTIONS |
| 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 |
|---|---|
| 57A5A252-1 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 57A5A252-1 PRIMARY | Naval Air Warfare Center Aircraft Div (USA) |
| Reference | Meaning |
|---|---|
| SM5DS | 5/9 Secondary reference Te Connectivity Corporation |
| PW5351 | 5/9 Secondary reference Te Connectivity Corporation |
NSN 5945-00-683-4665 is a Relay,electromagnetic, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-683-4665 has 2 manufacturer part numbers on file: 57A5A252-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 57A5A252-1 (Naval Air Warfare Center Aircraft Div).
Key specifications for 57A5A252-1: Mounting Facility Type and Quantity: 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY; Overall Height: 1.930 INCHES NOMINAL IN; Pile-Up Main Contact Form Arrangement: 1C; Main Contact Maximum Voltage Rating in Volts: 115.0 AC AND 28.0 DC. 12 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.