PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A410-159992-00Relay,electromagnetic

Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co · NSN 5945-00-866-2689 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-866-2689 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-866-2689. Primary manufacturer part number: A410-159992-00.
Features
  • Relay,electromagnetic — FSC 5945
  • Main Contact Load Current Rating at Maximum Rated Voltage: 3.0 AMPERES DC RESISTIVE LOAD
  • Winding DC Resistance Rating: 235.0 OHMS NOMINAL SINGLE WINDING
  • Nominal Thread Size: 0.138 INCHES SINGLE MOUNTING FACILITY IN
  • Operating Voltage Rating and Type at Specified Temp: 26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
  • Pile-Up Main Contact Form Arrangement: 2C
  • Main Contact Maximum Voltage Rating in Volts: 75.0 DC
  • Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle: 1.562 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-866-2689, 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 Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, 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
NSN5945-00-866-2689
Primary Part NumberA410-159992-00
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerGuardian Electric Manufacturing Co Div Guardian Electric Mfg Co
StatusACTIVE
Main Contact Load Current Rating at Maximum Rated Voltage3.0 AMPERES DC RESISTIVE LOAD
Winding DC Resistance Rating235.0 OHMS NOMINAL SINGLE WINDING
Nominal Thread Size0.138 INCHES SINGLE MOUNTING FACILITY IN
Operating Voltage Rating and Type at Specified Temp26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Pile-Up Main Contact Form Arrangement2C
Main Contact Maximum Voltage Rating in Volts75.0 DC
Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle1.562 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Winding Quantity1
Mounting Facility PatternTRIANGLE SINGLE MOUNTING FACILITY
Thread Class2A SINGLE MOUNTING FACILITY A
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Terminal Type and Quantity8 PIN ALL FUNCTIONS
Mounting Facility Type and Quantity3 THREADED STUD(S) SINGLE MOUNTING FACILITY
Duty TypeCONTINUOUS
Coil Quantity1
Environmental ProtectionHERMETIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
1660-00-533-588022732 INTERCHANGEABLE
Filter Element,valve,shutoff
Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div
5120-01-046-4950OP162 INTERCHANGEABLE
Adapter,torque Wrench
Apex Tool Group, Llc
7930-01-383-7926GREZ-OFF INTERCHANGEABLE
Cleaner,industrial,multi Purpose
Spray Nine Corporation
Cross-Reference Index
Part NumberManufacturer
A410-159992-00 Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co (USA)
G59992 Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co (USA)
22-732 Bae Systems Technology Solutions & Services Inc. (USA)
Related Parts
1660-00-533-5880INTERCHANGEABLE
FILTER ELEMENT,VALVE,SHUTOFF
22732
5120-01-046-4950INTERCHANGEABLE
ADAPTER,TORQUE WRENCH
OP162
7930-01-383-7926INTERCHANGEABLE
CLEANER,INDUSTRIAL,MULTI PURPOSE
GREZ-OFF

Frequently Asked Questions

What is NSN 5945-00-866-2689?

NSN 5945-00-866-2689 is a Relay,electromagnetic, manufactured by Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-866-2689?

NSN 5945-00-866-2689 has 3 cross-referenced part numbers: A410-159992-00 (Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co), G59992 (Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co), 22-732 (Bae Systems Technology Solutions & Services Inc.).

What NSN replaces 5945-00-866-2689?

There are 3 known substitutes for 5945-00-866-2689: 1660-00-533-5880, 5120-01-046-4950, 7930-01-383-7926. Verify interchangeability with system specifications before substitution.

What are the specifications of A410-159992-00?

Key specifications for A410-159992-00: Main Contact Load Current Rating at Maximum Rated Voltage: 3.0 AMPERES DC RESISTIVE LOAD; Winding DC Resistance Rating: 235.0 OHMS NOMINAL SINGLE WINDING; Nominal Thread Size: 0.138 INCHES SINGLE MOUNTING FACILITY IN; Overall Height: 2.500 INCHES NOMINAL IN. 19 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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