The Relay,electromagnetic, cataloged under National Stock Number 5945-01-412-8420, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Bae Systems Information and Electronic Systems Integration Inc.. Government technical data includes 20 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-412-8420 |
| Primary Part Number | H503A002-101 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Bae Systems Information and Electronic Systems Integration Inc. |
| Status | ACTIVE |
| Nonpile-Up Auxiliary Contact Arrangement | 3 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Pile-Up Main Contact Form Arrangement | 3A A |
| Main Contact Maximum Voltage Rating in Volts | 124.0 AC |
| Mounting Facility Pattern | CIRUCLAR SINGLE MOUNTING FACILITY |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.875 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 120.0 MILLIAMPERES AC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Unthreaded Mounting Hole Diameter | 0.312 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Minimum Differential Electrical Operating Rating | 120.0 MILLIAMPERES |
| Frequency in Hertz | 60.0 NOMINAL |
| Winding DC Resistance Rating | 50.0 KILOHMS NOMINAL SINGLE WINDING |
| Coil Quantity | 1 |
| Environmental Protection | HERMETIC |
| Winding Quantity | 1 |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.875 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Terminal Type and Quantity | 8 SOLDER STUD ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 3 TWO CIRCUIT, TWO POSITIONS MOMENTARY |
| Auxiliary Contact Maximum Voltage Rating in Volts | 115.0 AC |
| 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 |
|---|---|
| H503A002-101 PRIMARY | Bae Systems Information and Electronic Systems Integration Inc. (USA) |
NSN 5945-01-412-8420 is a Relay,electromagnetic, manufactured by Bae Systems Information and Electronic Systems Integration Inc., classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-412-8420 has 1 manufacturer part number on file: H503A002-101 (Bae Systems Information and Electronic Systems Integration Inc.).
Key specifications for H503A002-101: Nonpile-Up Auxiliary Contact Arrangement: 3 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 3.440 INCHES MAXIMUM IN; Pile-Up Main Contact Form Arrangement: 3A A. 20 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.