The Relay,electromagnetic, cataloged under National Stock Number 5945-01-178-8210, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5945-01-178-8210 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 TERMINAL SINGLE MOUNTING FACILITY |
| Overall Diameter | 0.370 INCHES MAXIMUM IN |
| Duty Type | CONTINUOUS |
| Features Provided | COIL VOLTAGE SUPPRESSION AND POLARIZED |
| Nominal Operating Current Rating and Type | 5.0 AMPERES DC SINGLE WINDING |
| Coil Quantity | 1 |
| Environmental Protection | HERMETIC AND SHOCK RESISTANT AND VIBRATION RESISTANT |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 12.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Terminal Type and Quantity | 8 WIRE LEAD ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 412DV-12 | 5/9 Secondary reference Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/ |
| 84173 | 5/1 Secondary reference Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| 7108736-002 | 3/2 Design control — primary reference U.S. Government activity |
| ER412V-12A | 5/9 Secondary reference Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/ |
| 412DV-0164 | 5/9 Secondary reference Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/ |
NSN 5945-01-178-8210 is a Relay,electromagnetic, classified under FSC 5945, Relays and Solenoids. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5945-01-298-6495, 5998-01-710-9491. Verify interchangeability with system specifications before substitution.
Key specifications for 5945-01-178-8210: Mounting Facility Type and Quantity: 1 TERMINAL SINGLE MOUNTING FACILITY; Overall Diameter: 0.370 INCHES MAXIMUM IN; Duty Type: CONTINUOUS; Overall Length: 0.280 INCHES MAXIMUM IN. 11 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.