PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5442-2Relay,electromagnetic

Te Connectivity Corporation · NSN 5945-00-951-8566 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-951-8566 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-951-8566. Primary manufacturer part number: 5442-2.
Features
  • Relay,electromagnetic — FSC 5945
  • Duty Type: CONTINUOUS
  • Operating Voltage Rating and Type at Specified Temp: 27.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
  • Coil Quantity: 1
  • Winding Quantity: 1
  • Main Contact Maximum Voltage Rating in Volts: 115.0 AC AND 27.5 DC
  • Nominal Thread Size: 0.112 INCHES SINGLE MOUNTING FACILITY IN
  • Main Contact Load Current Rating at Maximum Rated Voltage: 3.0 AMPERES AC AND 3.0 AMPERES DC RESISTIVE LOAD
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-951-8566, 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 Te Connectivity Corporation. Government technical data includes 16 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-951-8566
Primary Part Number5442-2
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerTe Connectivity Corporation
StatusACTIVE
Duty TypeCONTINUOUS
Operating Voltage Rating and Type at Specified Temp27.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Coil Quantity1
Winding Quantity1
Main Contact Maximum Voltage Rating in Volts115.0 AC AND 27.5 DC
Nominal Thread Size0.112 INCHES SINGLE MOUNTING FACILITY IN
Main Contact Load Current Rating at Maximum Rated Voltage3.0 AMPERES AC AND 3.0 AMPERES DC RESISTIVE LOAD
Terminal Type and Quantity14 PIN ALL FUNCTIONS
Winding DC Resistance Rating300.0 OHMS NOMINAL SINGLE WINDING
Pile-Up Main Contact Form Arrangement6A A
Center to Center Distance Between Mounting Facilities Parallel to Length0.438 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Thread Class2B SINGLE MOUNTING FACILITY
Mounting Facility Type and Quantity4 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Center to Center Distance Between Mounting Facilities Parallel to Width0.370 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-01-464-501554422 INTERCHANGEABLE
Valve,globe
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
8415-01-715-745654422 INTERCHANGEABLE
Gloves,disposable
Kimberly-Clark Corporation
Cross-Reference Index
Part NumberManufacturer
2088154-33 Raytheon Company Dba Raytheon Co (USA)
5442-2 Airpax Corporation Llc Dba Airpax Corporation Llc (USA)
2088154-0033 Honeywell International Inc Dba Honeywell (USA)
5442-2 PRIMARY Te Connectivity Corporation (USA)
Related Parts
4820-01-464-5015INTERCHANGEABLE
VALVE,GLOBE
54422
8415-01-715-7456INTERCHANGEABLE
GLOVES,DISPOSABLE
54422

Frequently Asked Questions

What is NSN 5945-00-951-8566?

NSN 5945-00-951-8566 is a Relay,electromagnetic, manufactured by Te Connectivity Corporation, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-951-8566?

NSN 5945-00-951-8566 has 4 cross-referenced part numbers: 2088154-33 (Raytheon Company Dba Raytheon Co), 5442-2 (Airpax Corporation Llc Dba Airpax Corporation Llc), 2088154-0033 (Honeywell International Inc Dba Honeywell), 5442-2 (Te Connectivity Corporation).

What NSN replaces 5945-00-951-8566?

There are 2 known substitutes for 5945-00-951-8566: 4820-01-464-5015, 8415-01-715-7456. Verify interchangeability with system specifications before substitution.

What are the specifications of 5442-2?

Key specifications for 5442-2: Duty Type: CONTINUOUS; Operating Voltage Rating and Type at Specified Temp: 27.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING; Coil Quantity: 1; Winding Quantity: 1. 20 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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