PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5409-4HSRelay,electromagnetic

Airpax Corporation Llc Dba Airpax Corporation Llc · NSN 5945-00-583-8028 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-583-8028 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-583-8028. Primary manufacturer part number: 5409-4HS.
Features
  • Relay,electromagnetic — FSC 5945
  • Nominal Thread Size: 0.112 INCHES SINGLE MOUNTING FACILITY IN
  • Material: STEEL CORROSION RESISTING CASE
  • Fragility Factor: MODERATELY RUGGED
  • Operating Voltage Rating and Type at Specified Temp: 28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
  • Thread Quantity Per Inch: 40 SINGLE MOUNTING FACILITY
  • Purpose for Which Designed: GENERAL
  • Mounting Facility Pattern: TRIANGLE SINGLE MOUNTING FACILITY
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
  • Applications requiring Steel Corrosion Resisting Case construction
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-583-8028, 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 Airpax Corporation Llc Dba Airpax Corporation Llc. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-583-8028
Primary Part Number5409-4HS
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerAirpax Corporation Llc Dba Airpax Corporation Llc
StatusACTIVE
Nominal Thread Size0.112 INCHES SINGLE MOUNTING FACILITY IN
MaterialSTEEL CORROSION RESISTING CASE
Fragility FactorMODERATELY RUGGED
Operating Voltage Rating and Type at Specified Temp28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Thread Quantity Per Inch40 SINGLE MOUNTING FACILITY
Purpose for Which DesignedGENERAL
Mounting Facility PatternTRIANGLE SINGLE MOUNTING FACILITY
Mounting Facility Type and Quantity3 THREADED STUD(S) SINGLE MOUNTING FACILITY
Nonpile-Up Main Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Thread DirectionRIGHT-HAND SINGLE MOUNTING FACILITY
Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle1.000 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Main Contact Load Current Rating at Maximum Rated Voltage3.0 AMPERES AC AND 1.5 AMPERES DC INDUCTIVE LOAD
Time Delay0.015 SECONDS MAXIMUM FIXED OPERATE TIME
Winding DC Resistance Rating280.0 OHMS NOMINAL SINGLE WINDING
Main Contact Maximum Voltage Rating in Volts115.0 AC AND 28.0 DC
Winding Quantity1
Time Delay0.01 SECONDS MAXIMUM FIXED RELEASE TIME
MaterialSILVER CONTACT
Center to Center Distance Between Mounting Facilities Parallel to Width0.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Main Contact Load Current Rating at Maximum Rated Voltage3.0 AMPERES AC AND 3.0 AMPERES DC RESISTIVE LOAD
Storage TypeGENERAL PURPOSE WAREHOUSE
Environmental ProtectionHERMETIC
Thread Class2A SINGLE MOUNTING FACILITY A
Duty TypeCONTINUOUS
Arc Quenching MethodAIR
Cubic Measure0.498 CUBIC INCHES
Precious MaterialSILVER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5940-00-258-2106100078P1 INTERCHANGEABLE
Terminal,lug
Lockheed Martin Corporation Div Rms
1680-01-030-1090118050-01 INTERCHANGEABLE
Hanger Quick Release
B/e Aerospace, Inc. Dba Interturbine Div Oxygen & PSU Systems
4820-01-164-7888RA16478 INTERCHANGEABLE
Cap,valve
Industrial Consortium Inc Div Richard S. Raffauf Jr
5925-01-431-8266 INTERCHANGEABLE
Circuit Breaker
4820-01-647-2890118050 INTERCHANGEABLE
Valve,ball
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
5409-4HS Airpax Corporation Llc Dba Airpax Corporation Llc (USA)
118050 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
5409-4HS Te Connectivity Corporation (USA)
974-0527-00 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
22700-5 Emerson Electric Co White-Rodgers Div (USA)
Related Parts
5940-00-258-2106INTERCHANGEABLE
TERMINAL,LUG
100078P1
1680-01-030-1090INTERCHANGEABLE
HANGER QUICK RELEASE
118050-01
4820-01-164-7888INTERCHANGEABLE
CAP,VALVE
RA16478
5925-01-431-8266INTERCHANGEABLE
CIRCUIT BREAKER
4820-01-647-2890INTERCHANGEABLE
VALVE,BALL
118050

Frequently Asked Questions

What is NSN 5945-00-583-8028?

NSN 5945-00-583-8028 is a Relay,electromagnetic, manufactured by Airpax Corporation Llc Dba Airpax Corporation Llc, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-583-8028?

NSN 5945-00-583-8028 has 5 cross-referenced part numbers: 5409-4HS (Airpax Corporation Llc Dba Airpax Corporation Llc), 118050 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 5409-4HS (Te Connectivity Corporation), 974-0527-00 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 22700-5 (Emerson Electric Co White-Rodgers Div).

What NSN replaces 5945-00-583-8028?

There are 5 known substitutes for 5945-00-583-8028: 5940-00-258-2106, 1680-01-030-1090, 4820-01-164-7888 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5409-4HS?

Key specifications for 5409-4HS: Nominal Thread Size: 0.112 INCHES SINGLE MOUNTING FACILITY IN; Material: STEEL CORROSION RESISTING CASE; Fragility Factor: MODERATELY RUGGED; Operating Voltage Rating and Type at Specified Temp: 28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING. 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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