The Relay,electromagnetic, cataloged under National Stock Number 5945-01-286-9652, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Microsemi Corp.-Power Management Group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5945-01-286-9652 |
| Primary Part Number | BR20-S680 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Microsemi Corp.-Power Management Group |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 SLOTTED HOLE SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 115.0 AC AND 28.0 DC |
| Fragility Factor | MODERATELY RUGGED |
| Mounting Facility Pattern | IN-LINE SINGLE MOUNTING FACILITY |
| Arc Quenching Method | AIR |
| Main Contact Load Current Rating at Maximum Rated Voltage | 10.0 AMPERES AC AND 10.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Winding DC Resistance Rating | 600.0 OHMS NOMINAL ALL WINDINGS |
| Features Provided | POLARIZED AND LATCHING CONTACTS |
| Time Delay | 0.015 SECONDS NOMINAL FIXED OPERATE TIME |
| Coil Quantity | 2 |
| Environmental Protection | HERMETIC |
| Cubic Measure | 1.324 CUBIC INCHES |
| Winding Quantity | 2 |
| Operating Voltage Rating and Type at Specified Temp | 26.5 VOLTS DC 25 DEG CELSIUS ALL WINDINGS |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.437 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Terminal Type and Quantity | 8 WIRE HOOK ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Purpose for Which Designed | GENERAL |
| Mounting Slot Width | 0.150 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| 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 |
|---|---|
| BR20-S680 PRIMARY | Microsemi Corp.-Power Management Group (USA) |
| Reference | Meaning |
|---|---|
| R2044P1 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Aerostructures |
NSN 5945-01-286-9652 is a Relay,electromagnetic, manufactured by Microsemi Corp.-Power Management Group, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-286-9652 has 1 manufacturer part number on file: BR20-S680 (Microsemi Corp.-Power Management Group).
Key specifications for BR20-S680: Mounting Facility Type and Quantity: 2 SLOTTED HOLE SINGLE MOUNTING FACILITY; Overall Height: 1.220 INCHES MAXIMUM IN; Main Contact Maximum Voltage Rating in Volts: 115.0 AC AND 28.0 DC; Fragility Factor: MODERATELY RUGGED. 21 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.