PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

122578-01Relay,electromagnetic

Ge Aviation Systems Llc · NSN 5945-00-578-4844 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-578-4844 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-578-4844. Primary manufacturer part number: 122578-01.
Features
  • Relay,electromagnetic — FSC 5945
  • Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY
  • Nonpile-Up Main Contact Arrangement: 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
  • Thread Class: 2A SINGLE MOUNTING FACILITY A
  • Winding Quantity: 1
  • Duty Type: CONTINUOUS
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
  • Winding DC Resistance Rating: 8.0 KILOHMS NOMINAL SINGLE WINDING
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-578-4844, 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 Ge Aviation Systems Llc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5945-00-578-4844
Primary Part Number122578-01
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerGe Aviation Systems Llc
StatusCANCELLED
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Nonpile-Up Main Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Thread Class2A SINGLE MOUNTING FACILITY A
Winding Quantity1
Duty TypeCONTINUOUS
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Winding DC Resistance Rating8.0 KILOHMS NOMINAL SINGLE WINDING
Main Contact Load Current Rating at Maximum Rated Voltage1.0 AMPERES AC AND 1.0 AMPERES DC RESISTIVE LOAD
Main Contact Maximum Voltage Rating in Volts115.0 AC AND 28.0 DC
Mounting Facility Type and Quantity2 THREADED STUD(S) SINGLE MOUNTING FACILITY
Coil Quantity1
Environmental ProtectionHERMETIC
Terminal Type and Quantity8 PIN ALL FUNCTIONS
Center to Center Distance Between Mounting Facilities Parallel to Length0.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Nominal Thread Size0.112 INCHES SINGLE MOUNTING FACILITY IN
Minimum Differential Electrical Operating Rating800.0 MILLIAMPERES
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
3110-00-293-830511014596-7 INTERCHANGEABLE
Bearing,ball,annular
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
Cross-Reference Index
Part NumberManufacturer
R400-1A8K Electronic Specialty Corp Relay Div (USA)
T002-1186 Omntec Manufacturing Inc (USA)
R400-1A8K Boeing Commercial Airplane Co Boeing Co Portland (USA)
22RJCC8000WSIL Sigma Instruments Inc (USA)
122578 Ge Aviation Systems Llc (USA)
122578-01 PRIMARY Ge Aviation Systems Llc (USA)
22RJCC800WSGP Sigma Instruments Inc (USA)
Related Parts
3110-00-293-8305INTERCHANGEABLE
BEARING,BALL,ANNULAR
11014596-7

Frequently Asked Questions

What is NSN 5945-00-578-4844?

NSN 5945-00-578-4844 is a Relay,electromagnetic, manufactured by Ge Aviation Systems Llc, classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-00-578-4844?

NSN 5945-00-578-4844 has 7 cross-referenced part numbers: R400-1A8K (Electronic Specialty Corp Relay Div), T002-1186 (Omntec Manufacturing Inc), R400-1A8K (Boeing Commercial Airplane Co Boeing Co Portland), 22RJCC8000WSIL (Sigma Instruments Inc), 122578 (Ge Aviation Systems Llc) and 2 more.

What NSN replaces 5945-00-578-4844?

There is 1 known substitute for 5945-00-578-4844: 3110-00-293-8305. Verify interchangeability with system specifications before substitution.

What are the specifications of 122578-01?

Key specifications for 122578-01: Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY; Nonpile-Up Main Contact Arrangement: 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY; Thread Class: 2A SINGLE MOUNTING FACILITY A; Winding Quantity: 1. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-00-578-4844 still in active supply?

NSN 5945-00-578-4844 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.
PartsTable Design LLC · partstable.com