PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21A11450Relay,electromagnetic

Ford Motor Co Ford Parts and Service Div Government Part Sales · NSN 5945-00-424-3872 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-424-3872 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-424-3872. Primary manufacturer part number: 21A11450.
Features
  • Relay,electromagnetic — FSC 5945
  • Winding DC Resistance Rating: 8.0 OHMS NOMINAL ALL WINDINGS
  • Winding Quantity: 1
  • Arc Quenching Method: AIR
  • Environmental Protection: DUSTPROOF
  • Main Contact Maximum Voltage Rating in Volts: 6.0 DC
  • Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY
  • Mounting Facility Type and Quantity: 2 SLOTTED HOLE SINGLE MOUNTING FACILITY
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-424-3872, 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 Ford Motor Co Ford Parts and Service Div Government Part Sales. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5945-00-424-3872
Primary Part Number21A11450
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerFord Motor Co Ford Parts and Service Div Government Part Sales
StatusCANCELLED
Winding DC Resistance Rating8.0 OHMS NOMINAL ALL WINDINGS
Winding Quantity1
Arc Quenching MethodAIR
Environmental ProtectionDUSTPROOF
Main Contact Maximum Voltage Rating in Volts6.0 DC
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Mounting Facility Type and Quantity2 SLOTTED HOLE SINGLE MOUNTING FACILITY
Coil Quantity1
Mounting Slot Width0.250 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Nominal Operating Current Rating and Type5.90 AMPERES DC SINGLE WINDING
FSC Application DataENGINE ELECTRICAL SYSTEM
Duty TypeINTERMITTENT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5306-00-270-9393 INTERCHANGEABLE
Bolt,machine
5305-00-350-0703 INTERCHANGEABLE
Screw
2805-00-388-1101SS15 INTERCHANGEABLE
Ring,piston
Banner Industries Inc Skinner Engine Co Div
5340-00-525-06085250608 INTERCHANGEABLE
Plunger,detent
U S Army Tank Automotive Command Amsta-Im-Mm
5930-00-946-9410SS15 INTERCHANGEABLE
Switch,push
Stackpole Corp the
5980-01-025-4605HLMP-1301 INTERCHANGEABLE
Light Emitting Diode
Hewlett-Packard Company Dba HP
5920-01-179-136311853 INTERCHANGEABLE
Fuseholder,block
Munters Corporation Dba Munters Des Champs Products Div Cargocaire
4930-01-231-5369LX-1344 INTERCHANGEABLE
Pump,lubricant Transfer
Worldwide Welding, Incorporated Div Lumax Lubrication Equipment
5930-01-256-879411-853 INTERCHANGEABLE
Switch,push
Miller Electric Mfg. Llc
5120-01-367-3322 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
Cross-Reference Index
Part NumberManufacturer
21A11450 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
SS16 Pollak Joseph Corp (USA)
35660 Colson Corp the (USA)
21A11450 Dearborn Motors Corp (USA)
21A11450A Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
SS15 Pollak Joseph Corp (USA)
4601E Colson Corp the (USA)
01A11450A Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
11853 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
1A11450A Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
11853 Ford Motor Company (USA)
Related Parts
5306-00-270-9393INTERCHANGEABLE
BOLT,MACHINE
5305-00-350-0703INTERCHANGEABLE
SCREW
2805-00-388-1101INTERCHANGEABLE
RING,PISTON
SS15
5340-00-525-0608INTERCHANGEABLE
PLUNGER,DETENT
5250608
5930-00-946-9410INTERCHANGEABLE
SWITCH,PUSH
SS15
5980-01-025-4605INTERCHANGEABLE
LIGHT EMITTING DIODE
HLMP-1301
5920-01-179-1363INTERCHANGEABLE
FUSEHOLDER,BLOCK
11853
4930-01-231-5369INTERCHANGEABLE
PUMP,LUBRICANT TRANSFER
LX-1344
5930-01-256-8794INTERCHANGEABLE
SWITCH,PUSH
11-853
5120-01-367-3322INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
3120-01-377-0947INTERCHANGEABLE
BEARING,SLEEVE
FB1216-16
5950-01-434-6761INTERCHANGEABLE
COIL,RADIO FREQUENCY
11853

Frequently Asked Questions

What is NSN 5945-00-424-3872?

NSN 5945-00-424-3872 is a Relay,electromagnetic, manufactured by Ford Motor Co Ford Parts and Service Div Government Part Sales, classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-00-424-3872?

NSN 5945-00-424-3872 has 11 cross-referenced part numbers: 21A11450 (Ford Motor Co Ford Parts and Service Div Government Part Sales), SS16 (Pollak Joseph Corp), 35660 (Colson Corp the), 21A11450 (Dearborn Motors Corp), 21A11450A (Ford Motor Co Ford Parts and Service Div Government Part Sales) and 6 more.

What NSN replaces 5945-00-424-3872?

There are 12 known substitutes for 5945-00-424-3872: 5306-00-270-9393, 5305-00-350-0703, 2805-00-388-1101 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21A11450?

Key specifications for 21A11450: Winding DC Resistance Rating: 8.0 OHMS NOMINAL ALL WINDINGS; Winding Quantity: 1; Arc Quenching Method: AIR; Environmental Protection: DUSTPROOF. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-00-424-3872 still in active supply?

NSN 5945-00-424-3872 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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