PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A100279Relay,electromagnetic

Te Connectivity Corporation · NSN 5945-00-681-9520 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-681-9520 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-681-9520. Primary manufacturer part number: A100279.
Features
  • Relay,electromagnetic — FSC 5945
  • Mounting Facility Type and Quantity: 2 THREADED STUD(S) SINGLE MOUNTING FACILITY
  • Terminal Type and Quantity: 12 PIN ALL FUNCTIONS
  • Main Contact Maximum Voltage Rating in Volts: 220.0 DC
  • Thread Class: 2A SINGLE MOUNTING FACILITY A
  • Winding Quantity: 1
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 0.750 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Nominal Operating Current Rating and Type: 3.0 AMPERES AC SINGLE WINDING
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-681-9520, 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 11 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5945-00-681-9520
Primary Part NumberA100279
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerTe Connectivity Corporation
StatusCANCELLED
Mounting Facility Type and Quantity2 THREADED STUD(S) SINGLE MOUNTING FACILITY
Terminal Type and Quantity12 PIN ALL FUNCTIONS
Main Contact Maximum Voltage Rating in Volts220.0 DC
Thread Class2A SINGLE MOUNTING FACILITY A
Winding Quantity1
Center to Center Distance Between Mounting Facilities Parallel to Length0.750 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Nominal Operating Current Rating and Type3.0 AMPERES AC SINGLE WINDING
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Frequency in Hertz60.0 NOMINAL
Main Contact Load Current Rating at Maximum Rated Voltage4.0 AMPERES DC RESISTIVE LOAD
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Nominal Thread Size0.138 INCHES SINGLE MOUNTING FACILITY IN
Pile-Up Main Contact Form Arrangement2C2A
Coil Quantity1
Operating Voltage Rating and Type at Specified Temp6.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Duty TypeCONTINUOUS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
1650-00-148-849318400-8 INTERCHANGEABLE
Servocylinder
Moog Inc
5950-00-645-425310100-28 INTERCHANGEABLE
Coil,radio Frequency
Carbon/graphite Group Inc the
Cross-Reference Index
Part NumberManufacturer
A100279 PRIMARY Te Connectivity Corporation (USA)
8AC108A1 Olympic Controls Corp (USA)
JACCPCA100279 Cp Clare Corp North American Sales Operations (USA)
148-0004-00 Tektronix, Inc. (USA)
18400-8 Hickok Waekon Llc (USA)
A100279 Te Connectivity Corporation (USA)
A100279 Cp Clare Corp North American Sales Operations (USA)
JACCPCA100279 Te Connectivity Corporation (USA)
148-004 Tektronix, Inc. (USA)
A100279 Leach International Germany Gmbh (DEU)
JACCPCA100279 Te Connectivity Corporation (USA)
Related Parts
1650-00-148-8493INTERCHANGEABLE
SERVOCYLINDER
18400-8
5950-00-645-4253INTERCHANGEABLE
COIL,RADIO FREQUENCY
10100-28

Frequently Asked Questions

What is NSN 5945-00-681-9520?

NSN 5945-00-681-9520 is a Relay,electromagnetic, manufactured by Te Connectivity Corporation, classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-00-681-9520?

NSN 5945-00-681-9520 has 11 cross-referenced part numbers: A100279 (Te Connectivity Corporation), 8AC108A1 (Olympic Controls Corp), JACCPCA100279 (Cp Clare Corp North American Sales Operations), 148-0004-00 (Tektronix, Inc.), 18400-8 (Hickok Waekon Llc) and 6 more.

What NSN replaces 5945-00-681-9520?

There are 2 known substitutes for 5945-00-681-9520: 1650-00-148-8493, 5950-00-645-4253. Verify interchangeability with system specifications before substitution.

What are the specifications of A100279?

Key specifications for A100279: Mounting Facility Type and Quantity: 2 THREADED STUD(S) SINGLE MOUNTING FACILITY; Terminal Type and Quantity: 12 PIN ALL FUNCTIONS; Main Contact Maximum Voltage Rating in Volts: 220.0 DC; Thread Class: 2A SINGLE MOUNTING FACILITY A. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-00-681-9520 still in active supply?

NSN 5945-00-681-9520 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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