PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

921560-1Relay,electromagnetic

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 5945-00-903-7498 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-903-7498 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-903-7498. Primary manufacturer part number: 921560-1.
Features
  • Relay,electromagnetic — FSC 5945
  • Thread Length: 0.312 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Surface Treatment: GOLD CONTACT
  • Main Contact Load Current Rating at Maximum Rated Voltage: 3.0 AMPERES AC AND 3.0 AMPERES DC RESISTIVE LOAD
  • Time Delay: 0.013 SECONDS NOMINAL FIXED OPERATE TIME
  • Time Delay: 0.006 SECONDS NOMINAL FIXED RELEASE TIME
  • Nonpile-Up Main Contact Arrangement: 4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
  • Terminal Type and Quantity: 14 TAB, SOLDER LUG ALL FUNCTIONS
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
  • Applications requiring Silver Contact construction
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-903-7498, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 24 commercial cross-references from 19 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5945-00-903-7498
Primary Part Number921560-1
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusCANCELLED
Thread Length0.312 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Surface TreatmentGOLD CONTACT
Main Contact Load Current Rating at Maximum Rated Voltage3.0 AMPERES AC AND 3.0 AMPERES DC RESISTIVE LOAD
Time Delay0.013 SECONDS NOMINAL FIXED OPERATE TIME
Time Delay0.006 SECONDS NOMINAL FIXED RELEASE TIME
Nonpile-Up Main Contact Arrangement4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Terminal Type and Quantity14 TAB, SOLDER LUG ALL FUNCTIONS
Main Contact Maximum Voltage Rating in Volts120.0 AC AND 30.0 DC
Precious Material and LocationCONTACTS SILVER AND CONTACT SURFACES GOLD
Thread DirectionRIGHT-HAND SINGLE MOUNTING FACILITY
Coil Quantity1
Nominal Thread Size0.099 INCHES SINGLE MOUNTING FACILITY IN
Mounting Facility Type and Quantity1 THREADED STUD(S) SINGLE MOUNTING FACILITY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Operating Voltage Rating and Type at Specified Temp24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
MaterialSILVER CONTACT
Duty TypeCONTINUOUS
Thread Quantity Per Inch48 SINGLE MOUNTING FACILITY
Environmental ProtectionHERMETIC
Storage TypeGENERAL PURPOSE WAREHOUSE
Thread Class2A SINGLE MOUNTING FACILITY A
Fragility FactorMODERATELY RUGGED
Energizing Element Power Rating900.0 MILLIWATTS
MaterialALUMINUM ALLOY OR COPPER ALLOY CASE
Winding Quantity1
Precious MaterialSILVER AND GOLD
Winding DC Resistance Rating650.0 OHMS NOMINAL SINGLE WINDING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5310-00-227-48814465 INTERCHANGEABLE
Washer,spring Tension
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
3110-00-277-0256 INTERCHANGEABLE
Bearing,ball,annular
5915-00-398-0675215821 INTERCHANGEABLE
Network,phase Changing
Kearfott Corporation Div Guidance and Navigation Division
5961-00-883-6064 INTERCHANGEABLE
Semiconductor Device,diode
5945-00-945-7535KHS17D11 INTERCHANGEABLE
Relay,electromagnetic
Te Connectivity Corporation
5305-00-984-4989MS35206-229 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4730-01-068-622019045 INTERCHANGEABLE
Plug,pipe
Paccar Winch Inc Dba Paccar Winch Division
4330-01-522-82346.46 DN150 INTERCHANGEABLE
Filter,fluid
Boll Filter Corporation
5120-01-617-6926180455 INTERCHANGEABLE
Jack,leveling-Support
Cequent Performance Products, Inc.
Cross-Reference Index
Part NumberManufacturer
921560-1 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
KHS17D11-24VDC Te Connectivity Corporation (USA)
25220115 Saab Kockums Ab - Karlskrona (SWE)
410-6072-010 Continental Electronics Corp (USA)
KHS17D11-24V Te Connectivity Corporation (USA)
410-6140-010 Medidyne Industries Inc (USA)
180455 L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division (USA)
012316-0001 Thales Usa, Inc. Div Air Mobility Solutions ("ams") (USA)
KHS11A12-24 Te Connectivity Corporation (USA)
KHS17D11-24 Potter and Brumfield Div Amf Canada Ltd (CAN)
KHS17D11-24VDC Gai-Tronics Corp (USA)
56045-9 Hamilton Sundstrand Corporation (USA)
4880A1814-1 PC3 L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division (USA)
K129-1 Raytheon Technical Services Company (USA)
KHS17D11 Nextiraone Solutions Llc (USA)
K129-1 Cae Usa Inc. (USA)
19045 L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division (USA)
KHS17D11-24 Numax Electronics Inc (USA)
KHS17D11-24 Te Connectivity Corporation (USA)
156-44C100 Midtex Relays Inc (USA)
Related Parts
5310-00-227-4881INTERCHANGEABLE
WASHER,SPRING TENSION
4465
3110-00-277-0256INTERCHANGEABLE
BEARING,BALL,ANNULAR
5915-00-398-0675INTERCHANGEABLE
NETWORK,PHASE CHANGING
215821
5961-00-883-6064INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5945-00-945-7535INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
KHS17D11
5305-00-984-4989INTERCHANGEABLE
SCREW,MACHINE
MS35206-229
4730-01-068-6220INTERCHANGEABLE
PLUG,PIPE
19045
4330-01-522-8234INTERCHANGEABLE
FILTER,FLUID
6.46 DN150
5120-01-617-6926INTERCHANGEABLE
JACK,LEVELING-SUPPORT
180455

Frequently Asked Questions

What is NSN 5945-00-903-7498?

NSN 5945-00-903-7498 is a Relay,electromagnetic, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-00-903-7498?

NSN 5945-00-903-7498 has 24 cross-referenced part numbers: 921560-1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), KHS17D11-24VDC (Te Connectivity Corporation), 25220115 (Saab Kockums Ab - Karlskrona), 410-6072-010 (Continental Electronics Corp), KHS17D11-24V (Te Connectivity Corporation) and 19 more.

What NSN replaces 5945-00-903-7498?

There are 9 known substitutes for 5945-00-903-7498: 5310-00-227-4881, 3110-00-277-0256, 5915-00-398-0675 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 921560-1?

Key specifications for 921560-1: Thread Length: 0.312 INCHES NOMINAL SINGLE MOUNTING FACILITY IN; Surface Treatment: GOLD CONTACT; Main Contact Load Current Rating at Maximum Rated Voltage: 3.0 AMPERES AC AND 3.0 AMPERES DC RESISTIVE LOAD; Time Delay: 0.013 SECONDS NOMINAL FIXED OPERATE TIME. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-00-903-7498 still in active supply?

NSN 5945-00-903-7498 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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