The Relay,electromagnetic, cataloged under National Stock Number 5945-01-406-6943, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. Government technical data includes 26 specifications, cited from the U.S. Government catalog. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-406-6943 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 3 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 | TRIANGLE SINGLE MOUNTING FACILITY |
| Arc Quenching Method | AIR |
| Main Contact Load Current Rating at Maximum Rated Voltage | 4.0 AMPERES AC AND 4.0 AMPERES DC MOTOR LOAD |
| Duty Type | CONTINUOUS |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Criticality Code Justification | FEAT |
| Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle | 1.396 INCHES MINIMUM SINGLE MOUNTING FACILITY IN |
| Winding DC Resistance Rating | 405.0 OHMS NOMINAL ALL WINDINGS |
| Features Provided | POLARIZED AND LATCHING CONTACTS |
| Nominal Operating Current Rating and Type | 75.0 MILLIAMPERES DC ALL WINDINGS |
| Specification/standard Data | 81349-MIL-R-83536/18 GOVERNMENT SPECIFICATION |
| Time Delay | 0.015 SECONDS MAXIMUM FIXED OPERATE TIME |
| Coil Quantity | 2 |
| Environmental Protection | HERMETIC |
| Cubic Measure | 2.272 CUBIC INCHES |
| Winding Quantity | 2 |
| Operating Voltage Rating and Type at Specified Temp | 28.0 VOLTS DC 25 DEG CELSIUS ALL WINDINGS |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 0.625 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Test Data Document | 81349-MIL-PRF-83536 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 | 16 PIN ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 4 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 | Y |
| Reference | Meaning |
|---|---|
| 2624159-58 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| MIL-R-83536/18 | 5/9 Secondary reference U.S. Government activity |
| MIL-R-6106/51 | 5/9 Secondary reference U.S. Government activity |
| MS27745-2 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| M83536/18-008L | 2/2 Government specification standardization U.S. Government activity |
| MIL-PRF-83536/18 | 4/1 Identification reference U.S. Government activity |
| MIL-PRF-83536 | 5/9 Secondary reference U.S. Government activity |
| MS27745-2 | C/1 Advisory reference — outside the item-of-supply concept Leach International Corp Div Leach International Corporation |
NSN 5945-01-406-6943 is a Relay,electromagnetic, classified under FSC 5945, Relays and Solenoids. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5945-01-407-1602. Verify interchangeability with system specifications before substitution.
Key specifications for 5945-01-406-6943: Mounting Facility Type and Quantity: 3 SLOTTED HOLE SINGLE MOUNTING FACILITY; Overall Height: 1.290 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.