PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9057Relay,electromagnetic

Leach International Corp Div Leach International Corporation · NSN 5945-00-642-2874 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-642-2874 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-642-2874. Primary manufacturer part number: 9057.
Features
  • Relay,electromagnetic — FSC 5945
  • Duty Type: CONTINUOUS
  • Unthreaded Mounting Hole Diameter: 0.173 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Terminal Type and Quantity: 2 TAB, SOLDER LUG ENERGIZING ELEMENT
  • Coil Quantity: 1
  • Winding DC Resistance Rating: 145.0 OHMS NOMINAL SINGLE WINDING
  • Environmental Protection: HERMETIC
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-642-2874, 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 Leach International Corp Div Leach International Corporation. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5945-00-642-2874
Primary Part Number9057
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerLeach International Corp Div Leach International Corporation
StatusCANCELLED
Duty TypeCONTINUOUS
Unthreaded Mounting Hole Diameter0.173 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Center to Center Distance Between Mounting Facilities Parallel to Length2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Terminal Type and Quantity2 TAB, SOLDER LUG ENERGIZING ELEMENT
Coil Quantity1
Winding DC Resistance Rating145.0 OHMS NOMINAL SINGLE WINDING
Environmental ProtectionHERMETIC
Operating Voltage Rating and Type at Specified Temp28.0 VOLTS DC 25 DEG CELSIUS ALL WINDINGS
Winding Quantity1
Terminal Type and Quantity6 TAB, SOLDER LUG CONTACTS
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Nominal Operating Current Rating and Type200.0 MILLIAMPERES DC SINGLE WINDING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5930-00-108-70061520230-2 INTERCHANGEABLE
Switch,toggle
Te Connectivity Corporation
6625-00-909-8656 INTERCHANGEABLE
Module,character Ti
5950-00-932-09069057 INTERCHANGEABLE
Coil,radio Frequency
Bourns Inc
5930-01-030-52699057 INTERCHANGEABLE
Switch,code Indicating Wheel
Electro Switch Corp. Dba Electro Switch Corp Div Digitran a Unit of Electro Switch
5998-01-056-90859057 INTERCHANGEABLE
Circuit Card Assembly
L3 Technologies, Inc. Div Communication Systems-West
6145-01-321-96858315 INTERCHANGEABLE
Cable,special Purpose,electrical
Belden Wire and Cable Co Distribution Center
6515-01-557-69629057 INTERCHANGEABLE
Needle,intraosseous Training Set
Teleflex Llc
Cross-Reference Index
Part NumberManufacturer
9057 Leach International Corp Div Leach International Corporation (USA)
AN3311-1 Joint Aircraft Committee (USA)
AN3311-1 Aeronautical Standards Group Dept of Navy and Air Force (USA)
12Z13001-9505 Naval Ordnance Standards (USA)
Related Parts
5930-00-108-7006INTERCHANGEABLE
SWITCH,TOGGLE
1520230-2
6625-00-909-8656INTERCHANGEABLE
MODULE,CHARACTER TI
5950-00-932-0906INTERCHANGEABLE
COIL,RADIO FREQUENCY
9057
5930-01-030-5269INTERCHANGEABLE
SWITCH,CODE INDICATING WHEEL
9057
5998-01-056-9085INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
9057
6145-01-321-9685INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
8315
6515-01-557-6962INTERCHANGEABLE
NEEDLE,INTRAOSSEOUS TRAINING SET
9057

Frequently Asked Questions

What is NSN 5945-00-642-2874?

NSN 5945-00-642-2874 is a Relay,electromagnetic, manufactured by Leach International Corp Div Leach International Corporation, classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-00-642-2874?

NSN 5945-00-642-2874 has 4 cross-referenced part numbers: 9057 (Leach International Corp Div Leach International Corporation), AN3311-1 (Joint Aircraft Committee), AN3311-1 (Aeronautical Standards Group Dept of Navy and Air Force), 12Z13001-9505 (Naval Ordnance Standards).

What NSN replaces 5945-00-642-2874?

There are 7 known substitutes for 5945-00-642-2874: 5930-00-108-7006, 6625-00-909-8656, 5950-00-932-0906 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9057?

Key specifications for 9057: Overall Height: 2.200 INCHES MAXIMUM IN; Duty Type: CONTINUOUS; Overall Width: 2.500 INCHES MAXIMUM IN; Unthreaded Mounting Hole Diameter: 0.173 INCHES NOMINAL SINGLE MOUNTING FACILITY IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-00-642-2874 still in active supply?

NSN 5945-00-642-2874 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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