PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

905-2C24DRelay,electromagnetic

Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co · NSN 5945-00-121-4874 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-121-4874 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-121-4874. Primary manufacturer part number: 905-2C24D.
Features
  • Relay,electromagnetic — FSC 5945
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
  • Main Contact Load Current Rating at Maximum Rated Voltage: 10.0 AMPERES AC RESISTIVE LOAD
  • Nominal Thread Size: 0.164 INCHES SINGLE MOUNTING FACILITY IN
  • Mounting Facility Type and Quantity: 1 THREADED STUD(S) SINGLE MOUNTING FACILITY
  • Thread Class: 2A SINGLE MOUNTING FACILITY A
  • Operating Voltage Rating and Type at Specified Temp: 24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
  • Winding DC Resistance Rating: 200.0 OHMS NOMINAL SINGLE WINDING
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-121-4874, 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 Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5945-00-121-4874
Primary Part Number905-2C24D
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerGuardian Electric Manufacturing Co Div Guardian Electric Mfg Co
StatusCANCELLED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Main Contact Load Current Rating at Maximum Rated Voltage10.0 AMPERES AC RESISTIVE LOAD
Nominal Thread Size0.164 INCHES SINGLE MOUNTING FACILITY IN
Mounting Facility Type and Quantity1 THREADED STUD(S) SINGLE MOUNTING FACILITY
Thread Class2A SINGLE MOUNTING FACILITY A
Operating Voltage Rating and Type at Specified Temp24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Winding DC Resistance Rating200.0 OHMS NOMINAL SINGLE WINDING
Winding Quantity1
Duty TypeCONTINUOUS
Pile-Up Main Contact Form Arrangement2C
Terminal Type and Quantity8 PIN ALL FUNCTIONS
Main Contact Maximum Voltage Rating in Volts115.0 AC
Coil Quantity1
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
9340-00-076-5753130540 INTERCHANGEABLE
Window,observation
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
2520-00-406-4535130540 INTERCHANGEABLE
Sump,transmission
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
6105-00-646-796113R9104-01 INTERCHANGEABLE
Motor,direct Current
Moog Inc.
6520-01-124-9792 INTERCHANGEABLE
Post,endodontic
Cross-Reference Index
Part NumberManufacturer
A410-060847-00 Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co (USA)
905-2C24D PRIMARY Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co (USA)
905-2C24DC Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co (USA)
130540 Xerox Corp Xerox Documentation and Software Services (USA)
Related Parts
9340-00-076-5753INTERCHANGEABLE
WINDOW,OBSERVATION
130540
2520-00-406-4535INTERCHANGEABLE
SUMP,TRANSMISSION
130540
6105-00-646-7961INTERCHANGEABLE
MOTOR,DIRECT CURRENT
13R9104-01
6520-01-124-9792INTERCHANGEABLE
POST,ENDODONTIC

Frequently Asked Questions

What is NSN 5945-00-121-4874?

NSN 5945-00-121-4874 is a Relay,electromagnetic, manufactured by Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co, classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-00-121-4874?

NSN 5945-00-121-4874 has 4 cross-referenced part numbers: A410-060847-00 (Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co), 905-2C24D (Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co), 905-2C24DC (Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co), 130540 (Xerox Corp Xerox Documentation and Software Services).

What NSN replaces 5945-00-121-4874?

There are 4 known substitutes for 5945-00-121-4874: 9340-00-076-5753, 2520-00-406-4535, 6105-00-646-7961 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 905-2C24D?

Key specifications for 905-2C24D: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY; Main Contact Load Current Rating at Maximum Rated Voltage: 10.0 AMPERES AC RESISTIVE LOAD; Nominal Thread Size: 0.164 INCHES SINGLE MOUNTING FACILITY IN; Overall Height: 1.970 INCHES NOMINAL IN. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-00-121-4874 still in active supply?

NSN 5945-00-121-4874 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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