PartsTable TECHNICAL DATA SHEET
NSN 5945-01-166-9774Government record, cited

Relay, Electromagnetic5945-01-166-9774

NSN 5945-01-166-9774 · NIIN 011669774 · Part number K-0043
L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications · FSC 5945 — Relays and Solenoids · FSG 59 — Electrical and Electronic Equipment Components · CAGE 14304
Government record, cited
NSN 5945-01-166-9774 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-166-9774. Manufacturer of record part number: K-0043.
Also searched as  5945-01-166-9774 · 5945011669774 · NIIN 011669774 · 01-166-9774 · FSC 5945 Relays and Solenoids · CAGE 14304 · K-0043
Nearby stock numbers  ·
Features
  • Relay,electromagnetic — FSC 5945
  • Mounting Facility Type and Quantity: 1 THREADED STUD(S) SINGLE MOUNTING FACILITY
  • Main Contact Maximum Voltage Rating in Volts: 115.0 AC AND 30.0 DC
  • Fragility Factor: MODERATELY RUGGED
  • Main Contact Load Current Rating at Maximum Rated Voltage: 3.0 AMPERES AC AND 3.0 AMPERES DC RESISTIVE LOAD
  • Duty Type: CONTINUOUS
  • Storage Type: GENERAL PURPOSE WAREHOUSE
  • Winding DC Resistance Rating: 650.0 OHMS NOMINAL SINGLE WINDING
Identification
  • NSN: 5945-01-166-9774
  • NIIN: 011669774
  • FSC: 5945 — Relays and Solenoids
  • FSG: 59 — Electrical and Electronic Equipment Components
  • Primary part number: K-0043
  • Manufacturer: L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-166-9774, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-01-166-9774
Primary Part NumberK-0043
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — Relays and Solenoids
ManufacturerL3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
StatusACTIVE
Mounting Facility Type and Quantity1 THREADED STUD(S) SINGLE MOUNTING FACILITY
Main Contact Maximum Voltage Rating in Volts115.0 AC AND 30.0 DC
Fragility FactorMODERATELY RUGGED
Main Contact Load Current Rating at Maximum Rated Voltage3.0 AMPERES AC AND 3.0 AMPERES DC RESISTIVE LOAD
Duty TypeCONTINUOUS
Storage TypeGENERAL PURPOSE WAREHOUSE
Winding DC Resistance Rating650.0 OHMS NOMINAL SINGLE WINDING
Thread DirectionRIGHT-HAND SINGLE MOUNTING FACILITY
Nominal Thread Size0.099 INCHES SINGLE MOUNTING FACILITY IN
Coil Quantity1
Environmental ProtectionHERMETIC
Cubic Measure1.093 CUBIC INCHES
Winding Quantity1
Operating Voltage Rating and Type at Specified Temp24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Thread Class2A SINGLE MOUNTING FACILITY A
Thread Quantity Per Inch48 SINGLE MOUNTING FACILITY
Terminal Type and Quantity14 TAB, SOLDER LUG ALL FUNCTIONS
Nonpile-Up Main Contact Arrangement4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Purpose for Which DesignedGENERAL
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
K-0043 PRIMARY L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications (USA)
No interchangeability data on file.
Other items in FSC 5945 — Relays and Solenoids
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5945-00-000-0093
5945-00-000-0093 · Item name not on file
5945-00-001-1891
5945-00-001-1891 · Item name not on file
5945-00-001-2622
PLATE,RELAY
5945-00-001-2795
RELAY,ELECTROMAGNETIC
5945-00-001-2806
RELAY,REED
5945-00-001-2938
5945-00-001-2938 · Item name not on file
5945-00-001-3015
RELAY ASSEMBLY
5945-00-001-3016
PROTECTOR,OVERLOAD

Frequently Asked Questions

What is NSN 5945-01-166-9774?

NSN 5945-01-166-9774 is a Relay,electromagnetic, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications, classified under FSC 5945, Relays and Solenoids. Status: active.

What part numbers are listed for NSN 5945-01-166-9774?

NSN 5945-01-166-9774 has 1 manufacturer part number on file: K-0043 (L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications).

What are the specifications of K-0043?

Key specifications for K-0043: Mounting Facility Type and Quantity: 1 THREADED STUD(S) SINGLE MOUNTING FACILITY; Overall Height: 1.593 INCHES MAXIMUM IN; Main Contact Maximum Voltage Rating in Volts: 115.0 AC AND 30.0 DC; Fragility Factor: MODERATELY RUGGED. 20 specifications are documented in the U.S. Government catalog.

Is NSN 5945-01-166-9774 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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