PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W78CSX-3Relay,electromagnetic

Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft) · NSN 5945-00-164-9883 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-164-9883 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-164-9883. Primary manufacturer part number: W78CSX-3.
Features
  • Relay,electromagnetic — FSC 5945
  • Winding Quantity: 1
  • Coil Quantity: 1
  • Time Delay: 0.006 SECONDS MAXIMUM FIXED RELEASE TIME
  • Mounting Facility Type and Quantity: 1 THREADED STUD(S) SINGLE MOUNTING FACILITY
  • Terminal Type and Quantity: 14 PIN ALL FUNCTIONS
  • Nonpile-Up Main Contact Arrangement: 4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
  • Main Contact Load Current Rating at Maximum Rated Voltage: 3.0 AMPERES AC AND 3.0 AMPERES DC RESISTIVE LOAD
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
  • Applications requiring Silver Contact construction
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-164-9883, is classified within Federal Supply Class 5945 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft). Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 31 commercial cross-references from 22 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5945-00-164-9883
Primary Part NumberW78CSX-3
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerSe Relays Llc (magnecraft) Div Se Relays Llc (magnecraft)
StatusCANCELLED
Winding Quantity1
Coil Quantity1
Time Delay0.006 SECONDS MAXIMUM FIXED RELEASE TIME
Mounting Facility Type and Quantity1 THREADED STUD(S) SINGLE MOUNTING FACILITY
Terminal Type and Quantity14 PIN ALL FUNCTIONS
Nonpile-Up Main Contact Arrangement4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Main Contact Load Current Rating at Maximum Rated Voltage3.0 AMPERES AC AND 3.0 AMPERES DC RESISTIVE LOAD
Main Contact Maximum Voltage Rating in Volts120.0 AC AND 28.0 DC
MaterialSILVER CONTACT
Winding DC Resistance Rating650.0 OHMS NOMINAL SINGLE WINDING
Precious Material and LocationCONTACTS SILVER AND CONTACT SURFACES GOLD
Time Delay0.013 SECONDS MAXIMUM FIXED OPERATE TIME
Duty TypeCONTINUOUS
Precious MaterialSILVER AND GOLD
Surface TreatmentGOLD CONTACT
Environmental ProtectionDUSTPROOF
Operating Voltage Rating and Type at Specified Temp24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5970-00-899-6662 INTERCHANGEABLE
Insulation Sleeving,electrical
6130-00-941-3805M1A10P INTERCHANGEABLE
Power Supply
Electronic Controls Corporation
5961-01-088-8346 INTERCHANGEABLE
Semiconductor Device,diode
5945-01-163-3020K-0118 INTERCHANGEABLE
Relay,electromagnetic
L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
1650-01-250-2732220034 INTERCHANGEABLE
Cylinder,gas Storage
General Dynamics-Ots, Inc. Dba General Dynamics Armament and Technical Products
5970-01-252-0275960016-2 INTERCHANGEABLE
Insulation Sleeving,electrical
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
6515-01-373-085400-5049-011-00 INTERCHANGEABLE
Bowl,bone Cement Mixing
Zimmer, Inc. Dba Z Hotel
4730-01-607-1256220034 INTERCHANGEABLE
Coupling,hose
Terex Usa, Llc Dba Terex Usa, Llc
2090-01-643-277502731 INTERCHANGEABLE
Panel,vehicular Operation
Humphree Usa Llc
3020-01-728-160622-0034 INTERCHANGEABLE
Chain,silent
Diamond Mowers, Llc Dba Diamond Mowers Inc
Cross-Reference Index
Part NumberManufacturer
W78CSX-3 PRIMARY Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft) (USA)
KHP17D11-24 Te Connectivity Corporation (USA)
0490-0077 Keysight Technologies Inc (USA)
CR24VDC Cooper Industries Inc Busmann Mfg Div (USA)
3301631-1 Mission Systems Davenport Inc. (USA)
0490-0077 Keysight Technologies, Inc. (USA)
960016-1 Transdyne Corp (USA)
KHU17D11-24VDC Te Connectivity Corporation (USA)
2642317-1 Deval Life Cycle Support Llc (USA)
66688 Riimic, Llc Dba Sunair Electronics (USA)
A17773-1 Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies (USA)
GP1R11D Cp Clare Corp North American Sales Operations (USA)
CD641-3A Ampex Systems Corp (USA)
2642317-1 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
020-144 Ampex Systems Corp (USA)
GP1R11D Te Connectivity Corporation (USA)
10395518 PRIMARY Us Army Aviation and Missile Command (USA)
0490-0077 Hewlett-Packard Company Dba HP (USA)
KHU17D1124VDC Te Connectivity Corporation (USA)
KHP17D11-24V Te Connectivity Corporation (USA)
Related Parts
5970-00-899-6662INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
6130-00-941-3805INTERCHANGEABLE
POWER SUPPLY
M1A10P
5961-01-088-8346INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5945-01-163-3020INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
K-0118
1650-01-250-2732INTERCHANGEABLE
CYLINDER,GAS STORAGE
220034
5970-01-252-0275INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
960016-2
6515-01-373-0854INTERCHANGEABLE
BOWL,BONE CEMENT MIXING
00-5049-011-00
4730-01-607-1256INTERCHANGEABLE
COUPLING,HOSE
220034
2090-01-643-2775INTERCHANGEABLE
PANEL,VEHICULAR OPERATION
02731
3020-01-728-1606INTERCHANGEABLE
CHAIN,SILENT
22-0034

Frequently Asked Questions

What is NSN 5945-00-164-9883?

NSN 5945-00-164-9883 is a Relay,electromagnetic, manufactured by Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft), classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-00-164-9883?

NSN 5945-00-164-9883 has 31 cross-referenced part numbers: W78CSX-3 (Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft)), KHP17D11-24 (Te Connectivity Corporation), 0490-0077 (Keysight Technologies Inc), CR24VDC (Cooper Industries Inc Busmann Mfg Div), 3301631-1 (Mission Systems Davenport Inc.) and 26 more.

What NSN replaces 5945-00-164-9883?

There are 10 known substitutes for 5945-00-164-9883: 5970-00-899-6662, 6130-00-941-3805, 5961-01-088-8346 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W78CSX-3?

Key specifications for W78CSX-3: Winding Quantity: 1; Coil Quantity: 1; Time Delay: 0.006 SECONDS MAXIMUM FIXED RELEASE TIME; Mounting Facility Type and Quantity: 1 THREADED STUD(S) SINGLE MOUNTING FACILITY. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-00-164-9883 still in active supply?

NSN 5945-00-164-9883 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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