The Relay,electromagnetic, cataloged under National Stock Number 5945-00-927-7659, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Leonardo S.p.a. - Electronics Division - Defence Business Area. Government technical data includes 26 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through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-927-7659 |
| Primary Part Number | 825RL0124 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Leonardo S.p.a. - Electronics Division - Defence Business Area |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 115.0 AC AND 28.0 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 | 3.250 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 50.0 AMPERES AC AND 50.0 AMPERES DC MOTOR LOAD |
| Main Contact Load Current Rating at Maximum Rated Voltage | 50.0 AMPERES AC AND 50.0 AMPERES DC RESISTIVE LOAD |
| Main Contact Load Current Rating at Maximum Rated Voltage | 50.0 AMPERES AC AND 50.0 AMPERES DC INDUCTIVE LOAD |
| Duty Type | CONTINUOUS |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Unthreaded Mounting Hole Diameter | 0.218 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Winding DC Resistance Rating | 51.0 OHMS NOMINAL SINGLE WINDING |
| Specification/standard Data | 96906-MS27222 GOVERNMENT STANDARD |
| Time Delay | 0.025 SECONDS MAXIMUM FIXED OPERATE TIME |
| Time Delay | 0.05 SECONDS MAXIMUM FIXED RELEASE TIME |
| Coil Quantity | 1 |
| Environmental Protection | HERMETIC |
| Cubic Measure | 36.294 CUBIC INCHES |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.687 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Test Data Document | 81349-MIL-R-6106 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Terminal Type and Quantity | 8 THREADED STUD ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 3 POLE, SINGLE THROW, NORMALLY OPEN, DOUBLE MAKE, MOMENTARY ACTION |
| 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 |
|---|---|
| 825RL0124 | Leonardo S.p.a. - Electronics Division - Defence Business Area (ITA) |
| Reference | Meaning |
|---|---|
| M5757-10-009 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 7902853-00 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 9124C7C4+002 | C/1 Advisory reference — outside the item-of-supply concept Leach International Corp Div Leach International Corporation |
| 2995158 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 5945PL0808992 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 339272-001 | C/1 Advisory reference — outside the item-of-supply concept Lockheed Martin Corporation Div Rms - Mitchel Field |
| MS27222-1 | 2/2 Government specification standardization U.S. Government activity |
| MS272222-1 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 10-P-16B | C/1 Advisory reference — outside the item-of-supply concept Specific Systems, Llc Div Specific Systems |
| MIL-PRF-6106 | 4/1 Identification reference U.S. Government activity |
| 2995158 | C/1 Advisory reference — outside the item-of-supply concept Leach International Corp Div Leach International Corporation |
NSN 5945-00-927-7659 is a Relay,electromagnetic, manufactured by Leonardo S.p.a. - Electronics Division - Defence Business Area, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-927-7659 has 1 manufacturer part number on file: 825RL0124 (Leonardo S.p.a. - Electronics Division - Defence Business Area).
2 possible matches (shared part number, not a government interchangeability claim): 1680-01-529-8662, 4720-01-594-8254. Verify interchangeability with system specifications before substitution.
Key specifications for 825RL0124: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 2.941 INCHES MAXIMUM IN; Main Contact Maximum Voltage Rating in Volts: 115.0 AC AND 28.0 DC; Fragility Factor: MODERATELY RUGGED. 26 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.