PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G59453Relay,electromagnetic

Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co · NSN 5945-00-982-6621 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-982-6621 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-982-6621. Primary manufacturer part number: G59453.
Features
  • Relay,electromagnetic — FSC 5945
  • Nominal Operating Current Rating and Type: 400.0 MILLIAMPERES DC SINGLE WINDING
  • Main Contact Load Current Rating at Maximum Rated Voltage: 20.0 AMPERES DC INDUCTIVE LOAD
  • Coil Quantity: 1
  • Terminal Type and Quantity: 2 TAB, SOLDER LUG ENERGIZING ELEMENT
  • Winding Quantity: 1
  • Main Contact Maximum Voltage Rating in Volts: 220.0 DC
  • Unthreaded Mounting Hole Diameter: 0.144 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 5945-00-982-6621, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-982-6621
Primary Part NumberG59453
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerGuardian Electric Manufacturing Co Div Guardian Electric Mfg Co
StatusACTIVE
Nominal Operating Current Rating and Type400.0 MILLIAMPERES DC SINGLE WINDING
Main Contact Load Current Rating at Maximum Rated Voltage20.0 AMPERES DC INDUCTIVE LOAD
Coil Quantity1
Terminal Type and Quantity2 TAB, SOLDER LUG ENERGIZING ELEMENT
Winding Quantity1
Main Contact Maximum Voltage Rating in Volts220.0 DC
Unthreaded Mounting Hole Diameter0.144 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Center to Center Distance Between Mounting Facilities Parallel to Width2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Operating Voltage Rating and Type at Specified Temp32.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Mounting Facility PatternDIAGONAL SINGLE MOUNTING FACILITY
Terminal Type and Quantity4 TAB, SOLDER LUG CONTACTS
Duty TypeINTERMITTENT
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Pile-Up Main Contact Form Arrangement2B
Winding DC Resistance Rating80.0 OHMS NOMINAL SINGLE WINDING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5340-00-190-6800 INTERCHANGEABLE
Strap,retaining
3110-00-277-0314309-0706-000 INTERCHANGEABLE
Bearing,ball,annular
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
2910-00-287-316833043 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
3120-00-392-3048T11 INTERCHANGEABLE
Bearing,sleeve
Caterpillar Inc Div Caterpillar Defense
5975-00-497-2129250 INTERCHANGEABLE
Conduit Outlet
Hubbell-Raco Inc
3010-00-540-7458T1-1 INTERCHANGEABLE
Coupling,shaft,flexible
Roller Bearing Co of America, Inc Div Pic Design
3110-00-554-6152 INTERCHANGEABLE
Bearing,ball,annular
6720-00-663-2441691A1-1 INTERCHANGEABLE
Camera,still Picture
Bae Systems Information and Electronic Systems Integration Inc.
5950-00-884-6423 INTERCHANGEABLE
Transformer,audio Frequency
5325-00-913-6928R1271P04 INTERCHANGEABLE
Insert,screw Thread
General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp
Cross-Reference Index
Part NumberManufacturer
T11 Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co (USA)
SR166 G General Electro-Components Inc (USA)
SR166 Line Electric (USA)
G59453 PRIMARY Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co (USA)
Related Parts
5340-00-190-6800INTERCHANGEABLE
STRAP,RETAINING
3110-00-277-0314INTERCHANGEABLE
BEARING,BALL,ANNULAR
309-0706-000
2910-00-287-3168INTERCHANGEABLE
FILTER ELEMENT,FLUID
33043
3120-00-392-3048INTERCHANGEABLE
BEARING,SLEEVE
T11
5975-00-497-2129INTERCHANGEABLE
CONDUIT OUTLET
250
3010-00-540-7458INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
T1-1
3110-00-554-6152INTERCHANGEABLE
BEARING,BALL,ANNULAR
6720-00-663-2441INTERCHANGEABLE
CAMERA,STILL PICTURE
691A1-1
5950-00-884-6423INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5325-00-913-6928INTERCHANGEABLE
INSERT,SCREW THREAD
R1271P04
6685-01-009-2890INTERCHANGEABLE
TESTMASTER
T11
5950-01-128-3745INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
T1-1

Frequently Asked Questions

What is NSN 5945-00-982-6621?

NSN 5945-00-982-6621 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 5945-00-982-6621?

NSN 5945-00-982-6621 has 4 cross-referenced part numbers: T11 (Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co), SR166 (G General Electro-Components Inc), SR166 (Line Electric), G59453 (Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co).

What NSN replaces 5945-00-982-6621?

There are 12 known substitutes for 5945-00-982-6621: 5340-00-190-6800, 3110-00-277-0314, 2910-00-287-3168 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of G59453?

Key specifications for G59453: Overall Length: 2.750 INCHES NOMINAL IN; Nominal Operating Current Rating and Type: 400.0 MILLIAMPERES DC SINGLE WINDING; Main Contact Load Current Rating at Maximum Rated Voltage: 20.0 AMPERES DC INDUCTIVE LOAD; Overall Height: 2.750 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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