The Relay,electromagnetic, cataloged under National Stock Number 5945-00-173-3471, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-173-3471 |
| Primary Part Number | BR30-72A1-12V |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Microsemi Corp.-Power Management Group |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 208.0 AC AND 28.0 DC |
| Fragility Factor | MODERATELY RUGGED |
| Arc Quenching Method | AIR |
| Precious Material | SILVER AND GOLD |
| 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 | 72.0 OHMS NOMINAL SINGLE WINDING |
| Features Provided | POLARIZED |
| Time Delay | 0.015 SECONDS MAXIMUM FIXED OPERATE AND RELEASE TIME |
| Coil Quantity | 1 |
| Environmental Protection | DUSTPROOF |
| Precious Material and Location | CONTACTS SILVER AND TERMINAL SURFACES GOLD |
| Cubic Measure | 1.344 CUBIC INCHES |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 12.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Material | SILVER CONTACT |
| Terminal Type and Quantity | 14 PIN ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Purpose for Which Designed | GENERAL |
| 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 |
|---|---|
| BR30-72A1-12V | Microsemi Corp.-Power Management Group (USA) |
| Reference | Meaning |
|---|---|
| 31-811305-1 | 3/9 Design control — primary reference General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems |
| BR30-72A2-12V | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| FCM410-80 | 5/9 Secondary reference Struthers-Dunn Inc |
NSN 5945-00-173-3471 is a Relay,electromagnetic, manufactured by Microsemi Corp.-Power Management Group, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-173-3471 has 1 manufacturer part number on file: BR30-72A1-12V (Microsemi Corp.-Power Management Group).
Key specifications for BR30-72A1-12V: Mounting Facility Type and Quantity: 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY; Overall Height: 1.280 INCHES MAXIMUM IN; Main Contact Maximum Voltage Rating in Volts: 208.0 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.