PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44B18574Relay,electromagnetic

Department of the Air Force · NSN 5945-00-259-0886 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-259-0886 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-259-0886. Primary manufacturer part number: 44B18574.
Features
  • Relay,electromagnetic — FSC 5945
  • Coil Quantity: 1
  • Main Contact Load Current Rating at Maximum Rated Voltage: 5.0 AMPERES DC RESISTIVE LOAD
  • Terminal Type and Quantity: 4 PIN ALL FUNCTIONS
  • Environmental Protection: DUSTPROOF
  • Duty Type: CONTINUOUS
  • Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY
  • Winding Quantity: 1
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-259-0886, 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 Department of the Air Force. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 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: Cancelled.

Technical Specifications
ParameterValue
NSN5945-00-259-0886
Primary Part Number44B18574
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerDepartment of the Air Force
StatusCANCELLED
Coil Quantity1
Main Contact Load Current Rating at Maximum Rated Voltage5.0 AMPERES DC RESISTIVE LOAD
Terminal Type and Quantity4 PIN ALL FUNCTIONS
Environmental ProtectionDUSTPROOF
Duty TypeCONTINUOUS
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Winding Quantity1
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Center to Center Distance Between Mounting Facilities Parallel to Length3.625 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Nominal Operating Current Rating and Type70.0 MILLIAMPERES AC SINGLE WINDING
Nonpile-Up Main Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Frequency in Hertz400.0 NOMINAL
Operating Voltage Rating and Type at Specified Temp115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Main Contact Maximum Voltage Rating in Volts29.0 DC
Winding DC Resistance Rating130.0 OHMS NOMINAL SINGLE WINDING
Unthreaded Mounting Hole Diameter0.206 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
3020-00-110-6367698842-1 INTERCHANGEABLE
Gear Set,spur,matched
Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
5210-00-277-1613666-1 1/2 INTERCHANGEABLE
Gage Stock,thickness
L.s. Starrett Company (the) Div Tool Division
5996-00-538-1083A17764 INTERCHANGEABLE
Amplifier Assembly
Bae Systems Information and Electronic Systems Integration Inc.
5950-00-645-8296666112 INTERCHANGEABLE
Transformer,power
Northrop Grumman Systems Corporation
5950-01-206-6999TYPE D-1 INTERCHANGEABLE
Transformer,current
William Spencer
Cross-Reference Index
Part NumberManufacturer
44B18574 Department of the Air Force (USA)
A17764 Cp Clare Corp North American Sales Operations (USA)
A17764 Te Connectivity Corporation (USA)
666-112 Northern Telecom Inc Telecom Distribution Div (USA)
TYPED1 Northern Telecom Inc Telecom Distribution Div (USA)
A17764 Te Connectivity Corporation (USA)
666-0112 Northern Telecom Inc Telecom Distribution Div (USA)
873-0001 Northern Telecom Inc Telecom Distribution Div (USA)
A17764 Leach International Germany Gmbh (DEU)
Related Parts
3020-00-110-6367INTERCHANGEABLE
GEAR SET,SPUR,MATCHED
698842-1
5210-00-277-1613INTERCHANGEABLE
GAGE STOCK,THICKNESS
666-1 1/2
5996-00-538-1083INTERCHANGEABLE
AMPLIFIER ASSEMBLY
A17764
5950-00-645-8296INTERCHANGEABLE
TRANSFORMER,POWER
666112
5950-01-206-6999INTERCHANGEABLE
TRANSFORMER,CURRENT
TYPE D-1

Frequently Asked Questions

What is NSN 5945-00-259-0886?

NSN 5945-00-259-0886 is a Relay,electromagnetic, manufactured by Department of the Air Force, classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-00-259-0886?

NSN 5945-00-259-0886 has 9 cross-referenced part numbers: 44B18574 (Department of the Air Force), A17764 (Cp Clare Corp North American Sales Operations), A17764 (Te Connectivity Corporation), 666-112 (Northern Telecom Inc Telecom Distribution Div), TYPED1 (Northern Telecom Inc Telecom Distribution Div) and 4 more.

What NSN replaces 5945-00-259-0886?

There are 5 known substitutes for 5945-00-259-0886: 3020-00-110-6367, 5210-00-277-1613, 5996-00-538-1083 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 44B18574?

Key specifications for 44B18574: Coil Quantity: 1; Main Contact Load Current Rating at Maximum Rated Voltage: 5.0 AMPERES DC RESISTIVE LOAD; Terminal Type and Quantity: 4 PIN ALL FUNCTIONS; Environmental Protection: DUSTPROOF. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-00-259-0886 still in active supply?

NSN 5945-00-259-0886 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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