PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

74889Relay,electromagnetic

Hamilton Sundstrand Corporation Dba Collins Aerospace · NSN 5945-00-259-6532 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-259-6532 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-259-6532. Primary manufacturer part number: 74889.
Features
  • Relay,electromagnetic — FSC 5945
  • Mounting Facility Type and Quantity: 2 THREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 0.562 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Operating Voltage Rating and Type at Specified Temp: 24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
  • Thread Class: 2B SINGLE MOUNTING FACILITY
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
  • Nominal Operating Current Rating and Type: 530.0 MILLIAMPERES DC SINGLE WINDING
  • Mounting Facility Pattern: DIAGONAL SINGLE MOUNTING FACILITY
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-259-6532, 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 Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-259-6532
Primary Part Number74889
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation Dba Collins Aerospace
StatusACTIVE
Mounting Facility Type and Quantity2 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Center to Center Distance Between Mounting Facilities Parallel to Width0.562 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Operating Voltage Rating and Type at Specified Temp24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Thread Class2B SINGLE MOUNTING FACILITY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Nominal Operating Current Rating and Type530.0 MILLIAMPERES DC SINGLE WINDING
Mounting Facility PatternDIAGONAL SINGLE MOUNTING FACILITY
Nominal Thread Size0.112 INCHES SINGLE MOUNTING FACILITY IN
Winding DC Resistance Rating45.0 OHMS NOMINAL SINGLE WINDING
Winding Quantity1
Terminal Type and Quantity4 PIN ALL FUNCTIONS
Pile-Up Main Contact Form Arrangement1A A
Center to Center Distance Between Mounting Facilities Parallel to Length0.562 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Coil Quantity1
Duty TypeINTERMITTENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5815-00-126-802774889 INTERCHANGEABLE
Plate,teletypewriter Retractor
Telemechanics Inc
2915-00-991-096874889 INTERCHANGEABLE
Cover Piston
Triumph Engine Control Systems Llc
4820-01-141-516874890 PC 1 INTERCHANGEABLE
Disk,valve
Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
Cross-Reference Index
Part NumberManufacturer
74889 PRIMARY Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
Related Parts
5815-00-126-8027INTERCHANGEABLE
PLATE,TELETYPEWRITER RETRACTOR
74889
2915-00-991-0968INTERCHANGEABLE
COVER PISTON
74889
4820-01-141-5168INTERCHANGEABLE
DISK,VALVE
74890 PC 1

Frequently Asked Questions

What is NSN 5945-00-259-6532?

NSN 5945-00-259-6532 is a Relay,electromagnetic, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-259-6532?

NSN 5945-00-259-6532 has 1 cross-referenced part number: 74889 (Hamilton Sundstrand Corporation Dba Collins Aerospace).

What NSN replaces 5945-00-259-6532?

There are 3 known substitutes for 5945-00-259-6532: 5815-00-126-8027, 2915-00-991-0968, 4820-01-141-5168. Verify interchangeability with system specifications before substitution.

What are the specifications of 74889?

Key specifications for 74889: Mounting Facility Type and Quantity: 2 THREADED HOLE(S) SINGLE MOUNTING FACILITY; Center to Center Distance Between Mounting Facilities Parallel to Width: 0.562 INCHES NOMINAL SINGLE MOUNTING FACILITY IN; Operating Voltage Rating and Type at Specified Temp: 24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING; Thread Class: 2B SINGLE MOUNTING FACILITY. 18 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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