PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

54091Relay,electromagnetic

Keco Industries, Inc. · NSN 5945-00-229-4546 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-229-4546 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-229-4546. Primary manufacturer part number: 54091.
Features
  • Relay,electromagnetic — FSC 5945
  • Mounting Slot Width: 0.144 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Nonpile-Up Main Contact Arrangement: 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
  • Winding Quantity: 1
  • Operating Voltage Rating and Type at Specified Temp: 115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.537 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Winding DC Resistance Rating: 300.0 OHMS NOMINAL SINGLE WINDING
  • Duty Type: CONTINUOUS
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-229-4546, 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 Keco Industries, Inc.. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-229-4546
Primary Part Number54091
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerKeco Industries, Inc.
StatusACTIVE
Mounting Slot Width0.144 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Nonpile-Up Main Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Winding Quantity1
Operating Voltage Rating and Type at Specified Temp115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Center to Center Distance Between Mounting Facilities Parallel to Length1.537 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Winding DC Resistance Rating300.0 OHMS NOMINAL SINGLE WINDING
Duty TypeCONTINUOUS
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Environmental ProtectionHERMETIC
Frequency in Hertz60.0 NOMINAL
Coil Quantity1
Terminal Type and Quantity8 PIN ALL FUNCTIONS
Mounting Facility Type and Quantity2 SLOTTED HOLE SINGLE MOUNTING FACILITY
Main Contact Maximum Voltage Rating in Volts115.0 AC AND 26.5 DC
Main Contact Load Current Rating at Maximum Rated Voltage2.0 AMPERES AC AND 10.0 AMPERES DC RESISTIVE LOAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3030-00-233-8046134999 INTERCHANGEABLE
Belts,v,matched Set
Cummins Inc.
6680-01-098-968454091 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
6680-01-283-792554091 INTERCHANGEABLE
Speedometer
Teleflex Inc Electrical Systems Div
5940-01-340-18695409-1 INTERCHANGEABLE
Terminal,lug
Seastrom Manufacturing Co Inc
Cross-Reference Index
Part NumberManufacturer
54091 Keco Industries, Inc. (USA)
FC215-158 Struthers-Dunn Inc (USA)
Related Parts
3030-00-233-8046INTERCHANGEABLE
BELTS,V,MATCHED SET
134999
6680-01-098-9684INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
54091
6680-01-283-7925INTERCHANGEABLE
SPEEDOMETER
54091
5940-01-340-1869INTERCHANGEABLE
TERMINAL,LUG
5409-1

Frequently Asked Questions

What is NSN 5945-00-229-4546?

NSN 5945-00-229-4546 is a Relay,electromagnetic, manufactured by Keco Industries, Inc., classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-229-4546?

NSN 5945-00-229-4546 has 2 cross-referenced part numbers: 54091 (Keco Industries, Inc.), FC215-158 (Struthers-Dunn Inc).

What NSN replaces 5945-00-229-4546?

There are 4 known substitutes for 5945-00-229-4546: 3030-00-233-8046, 6680-01-098-9684, 6680-01-283-7925 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 54091?

Key specifications for 54091: Mounting Slot Width: 0.144 INCHES NOMINAL SINGLE MOUNTING FACILITY IN; Nonpile-Up Main Contact Arrangement: 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY; Winding Quantity: 1; Operating Voltage Rating and Type at Specified Temp: 115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING. 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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