The Relay,electromagnetic, cataloged under National Stock Number 5945-01-199-5571, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5945-01-199-5571 |
| Primary Part Number | 725016A0445-4 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 120.0 AC AND 30.0 DC |
| Fragility Factor | MODERATELY RUGGED |
| Mounting Facility Pattern | RECTANGULAR SINGLE MOUNTING FACILITY |
| Arc Quenching Method | AIR |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| 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 |
| Unthreaded Mounting Hole Diameter | 0.173 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Nominal Operating Current Rating and Type | 38.0 MILLIAMPERES AC SINGLE WINDING |
| Time Delay | 0.025 SECONDS MAXIMUM FIXED RELEASE TIME |
| Time Delay | 20.00 SECONDS NOMINAL FIXED 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 |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.812 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 |
| 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 |
|---|---|
| 725016A0445-4 | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 2112AH1UF-PRESET-20SEC | 3/2 Design control — primary reference U.S. Government activity |
NSN 5945-01-199-5571 is a Relay,electromagnetic, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-199-5571 has 1 manufacturer part number on file: 725016A0445-4 (Lockheed Martin Corporation Div Rms).
Key specifications for 725016A0445-4: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 1.520 INCHES MAXIMUM IN; Main Contact Maximum Voltage Rating in Volts: 120.0 AC AND 30.0 DC; Fragility Factor: MODERATELY RUGGED. 22 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.