The Relay,electromagnetic, cataloged under National Stock Number 5945-00-661-0163, 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 19 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-661-0163 |
| Primary Part Number | 1667766 |
| 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 | 2 THREADED STUD(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 26.5 DC |
| Mounting Facility Pattern | IN-LINE SINGLE MOUNTING FACILITY |
| Overall Diameter | 1.180 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.562 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 10.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Winding DC Resistance Rating | 3.5 KILOHMS NOMINAL SINGLE WINDING |
| Nominal Operating Current Rating and Type | 33.0 MILLIAMPERES DC SINGLE WINDING |
| Nominal Thread Size | 0.138 INCHES SINGLE MOUNTING FACILITY IN |
| Coil Quantity | 1 |
| Environmental Protection | HERMETIC |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 115.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Thread Quantity Per Inch | 32 SINGLE MOUNTING FACILITY |
| Terminal Type and Quantity | 14 PIN ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5945-00-661-0163 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 5945-00-661-0163 has 3 manufacturer part numbers on file: MHYX40365 (Allied Controls, Inc.), 766022 (Lockheed Martin Corporation Div Rms - Mitchel Field), 1667766 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 1667766: Mounting Facility Type and Quantity: 2 THREADED STUD(S) SINGLE MOUNTING FACILITY; Main Contact Maximum Voltage Rating in Volts: 26.5 DC; Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY; Overall Diameter: 1.180 INCHES NOMINAL IN. 19 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.