PartsTable TECHNICAL DATA SHEET
NSN 5945-00-666-4649Government record, cited

Relay, Electromagnetic5945-00-666-4649

NSN 5945-00-666-4649 · NIIN 006664649 · Part number XB62143
Northrop Grumman Systems Corporation · FSC 5945 — Relays and Solenoids · FSG 59 — Electrical and Electronic Equipment Components · CAGE 03956
Government record, cited
NSN 5945-00-666-4649 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-666-4649. Manufacturer of record part number: XB62143.
Also searched as  5945-00-666-4649 · 5945006664649 · NIIN 006664649 · 00-666-4649 · FSC 5945 Relays and Solenoids · CAGE 03956 · XB62143 · MH-2032-5
Nearby stock numbers  ·
Features
  • Relay,electromagnetic — FSC 5945
  • Mounting Facility Type and Quantity: 4 THREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Pile-Up Main Contact Form Arrangement: 2C
  • Main Contact Maximum Voltage Rating in Volts: 115.0 AC
  • Mounting Facility Pattern: RECTANGULAR SINGLE MOUNTING FACILITY
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Main Contact Load Current Rating at Maximum Rated Voltage: 1.0 AMPERES AC RESISTIVE LOAD
  • Duty Type: INTERMITTENT
Identification
  • NSN: 5945-00-666-4649
  • NIIN: 006664649
  • FSC: 5945 — Relays and Solenoids
  • FSG: 59 — Electrical and Electronic Equipment Components
  • Primary part number: XB62143
  • Manufacturer: Northrop Grumman Systems Corporation
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-666-4649, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-666-4649
Primary Part NumberXB62143
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — Relays and Solenoids
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
Mounting Facility Type and Quantity4 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Pile-Up Main Contact Form Arrangement2C
Main Contact Maximum Voltage Rating in Volts115.0 AC
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Center to Center Distance Between Mounting Facilities Parallel to Length0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Main Contact Load Current Rating at Maximum Rated Voltage1.0 AMPERES AC RESISTIVE LOAD
Duty TypeINTERMITTENT
Frequency in Hertz400.0 NOMINAL
Winding DC Resistance Rating50.0 OHMS NOMINAL SINGLE WINDING
Nominal Operating Current Rating and Type110.0 MILLIAMPERES AC SINGLE WINDING
Nominal Thread Size0.099 INCHES SINGLE MOUNTING FACILITY IN
Coil Quantity1
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 Width0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Thread Class2B SINGLE MOUNTING FACILITY
Terminal Type and Quantity8 PIN ALL FUNCTIONS
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
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
XB62143 PRIMARY Northrop Grumman Systems Corporation (USA)
Reference documents
ReferenceMeaning
MH-2032-5 5/9 Secondary reference
Te Connectivity Corporation
XB62143 5/9 Secondary reference
U.S. Government activity
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 5945-00-666-4649?

NSN 5945-00-666-4649 is a Relay,electromagnetic, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5945, Relays and Solenoids. Status: active.

What part numbers are listed for NSN 5945-00-666-4649?

NSN 5945-00-666-4649 has 1 manufacturer part number on file: XB62143 (Northrop Grumman Systems Corporation).

What are the specifications of XB62143?

Key specifications for XB62143: Mounting Facility Type and Quantity: 4 THREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 1.250 INCHES NOMINAL IN; Pile-Up Main Contact Form Arrangement: 2C; Main Contact Maximum Voltage Rating in Volts: 115.0 AC. 18 specifications are documented in the U.S. Government catalog.

Is NSN 5945-00-666-4649 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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