PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

K1051Relay,electromagnetic

Ge Zenith Controls, Inc. · NSN 5945-00-121-3914 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-121-3914 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-121-3914. Primary manufacturer part number: K1051.
Features
  • Relay,electromagnetic — FSC 5945
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 5.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Main Contact Load Current Rating at Maximum Rated Voltage: 25.0 AMPERES AC RESISTIVE LOAD
  • Main Contact Maximum Voltage Rating in Volts: 230.0 AC
  • Frequency in Hertz: 60.0 NOMINAL
  • Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Nonpile-Up Main Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION AND 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-121-3914, 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 Ge Zenith Controls, Inc.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-121-3914
Primary Part NumberK1051
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerGe Zenith Controls, Inc.
StatusACTIVE
Center to Center Distance Between Mounting Facilities Parallel to Length5.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Main Contact Load Current Rating at Maximum Rated Voltage25.0 AMPERES AC RESISTIVE LOAD
Main Contact Maximum Voltage Rating in Volts230.0 AC
Frequency in Hertz60.0 NOMINAL
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Nonpile-Up Main Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION AND 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Winding Quantity1
Coil Quantity1
Operating Voltage Rating and Type at Specified Temp230.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Terminal Type and Quantity6 SCREW ALL FUNCTIONS
Duty TypeCONTINUOUS
Unthreaded Mounting Hole Diameter0.156 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5985-00-150-1029K105-1 INTERCHANGEABLE
Switch,radio Frequency Transmiss
Cae Usa Inc.
4910-01-100-4984143001 INTERCHANGEABLE
Hoist,tire
Fulton Performance Products Inc
4320-01-218-8101K105-1 INTERCHANGEABLE
Seat,seal
Grundfos Cbs, Inc Dba Paco Pumps
1015-01-305-313412577170 INTERCHANGEABLE
Cup Assembly
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
1680-01-501-1800K1051 INTERCHANGEABLE
Work Winch,aircraft
Fulton Performance Products Inc
Cross-Reference Index
Part NumberManufacturer
K1051 Ge Zenith Controls, Inc. (USA)
Related Parts
5985-00-150-1029INTERCHANGEABLE
SWITCH,RADIO FREQUENCY TRANSMISS
K105-1
4910-01-100-4984INTERCHANGEABLE
HOIST,TIRE
143001
4320-01-218-8101INTERCHANGEABLE
SEAT,SEAL
K105-1
1015-01-305-3134INTERCHANGEABLE
CUP ASSEMBLY
12577170
1680-01-501-1800INTERCHANGEABLE
WORK WINCH,AIRCRAFT
K1051

Frequently Asked Questions

What is NSN 5945-00-121-3914?

NSN 5945-00-121-3914 is a Relay,electromagnetic, manufactured by Ge Zenith Controls, Inc., classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-121-3914?

NSN 5945-00-121-3914 has 1 cross-referenced part number: K1051 (Ge Zenith Controls, Inc.).

What NSN replaces 5945-00-121-3914?

There are 5 known substitutes for 5945-00-121-3914: 5985-00-150-1029, 4910-01-100-4984, 4320-01-218-8101 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of K1051?

Key specifications for K1051: Center to Center Distance Between Mounting Facilities Parallel to Length: 5.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN; Main Contact Load Current Rating at Maximum Rated Voltage: 25.0 AMPERES AC RESISTIVE LOAD; Main Contact Maximum Voltage Rating in Volts: 230.0 AC; Frequency in Hertz: 60.0 NOMINAL. 16 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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