PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22-3103Relay,electromagnetic

Midland-Ross Corp Midtex Div · NSN 5945-00-230-2055 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-230-2055 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-230-2055. Primary manufacturer part number: 22-3103.
Features
  • Relay,electromagnetic — FSC 5945
  • Purpose for Which Designed: GENERAL
  • Mounting Facility Type and Quantity: 4 THREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Storage Type: GENERAL PURPOSE WAREHOUSE
  • Arc Quenching Method: AIR
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 2.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Terminal Type and Quantity: 10 TAB, SOLDER LUG ALL FUNCTIONS
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 0.625 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-230-2055, 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 Midland-Ross Corp Midtex Div. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-230-2055
Primary Part Number22-3103
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerMidland-Ross Corp Midtex Div
StatusACTIVE
Purpose for Which DesignedGENERAL
Mounting Facility Type and Quantity4 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Storage TypeGENERAL PURPOSE WAREHOUSE
Arc Quenching MethodAIR
Center to Center Distance Between Mounting Facilities Parallel to Length2.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Terminal Type and Quantity10 TAB, SOLDER LUG ALL FUNCTIONS
Center to Center Distance Between Mounting Facilities Parallel to Width0.625 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Winding DC Resistance Rating130.0 OHMS NOMINAL SINGLE WINDING
Operating Voltage Rating and Type at Specified Temp26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Nonpile-Up Main Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Main Contact Load Current Rating at Maximum Rated Voltage12.0 AMPERES AC RESISTIVE LOAD
Thread DirectionRIGHT-HAND SINGLE MOUNTING FACILITY
Auxiliary Contact Load Current Rating at Maximum Rated Voltage12.0 AMPERES AC RESISTIVE LOAD
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Thread Class2B SINGLE MOUNTING FACILITY
Environmental ProtectionDUSTPROOF
Nonpile-Up Auxiliary Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Coil Quantity1
Nominal Thread Size0.164 INCHES SINGLE MOUNTING FACILITY IN
Winding Quantity1
Duty TypeCONTINUOUS
Thread Quantity Per Inch32 SINGLE MOUNTING FACILITY
Main Contact Maximum Voltage Rating in Volts28.0 AC
Cubic Measure8.788 CUBIC INCHES
Fragility FactorMODERATELY RUGGED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Auxiliary Contact Maximum Voltage Rating in Volts28.0 AC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
7520-00-232-68287520-00-232-6828 INTERCHANGEABLE
Tray,desk
Stec-Steadfast Technics Llc Dba Stec-Steadfast Technics Div 60
Cross-Reference Index
Part NumberManufacturer
22-3103 Midland-Ross Corp Midtex Div
410-0023-00 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
Related Parts
7520-00-232-6828INTERCHANGEABLE
TRAY,DESK
7520-00-232-6828

Frequently Asked Questions

What is NSN 5945-00-230-2055?

NSN 5945-00-230-2055 is a Relay,electromagnetic, manufactured by Midland-Ross Corp Midtex Div, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-230-2055?

NSN 5945-00-230-2055 has 2 cross-referenced part numbers: 22-3103 (Midland-Ross Corp Midtex Div), 410-0023-00 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).

What NSN replaces 5945-00-230-2055?

There is 1 known substitute for 5945-00-230-2055: 7520-00-232-6828. Verify interchangeability with system specifications before substitution.

What are the specifications of 22-3103?

Key specifications for 22-3103: Overall Length: 2.875 INCHES MAXIMUM IN; Purpose for Which Designed: GENERAL; Mounting Facility Type and Quantity: 4 THREADED HOLE(S) SINGLE MOUNTING FACILITY; Storage Type: GENERAL PURPOSE WAREHOUSE. 30 total characteristics are documented in the Federal Logistics Information System.

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