PartsTable TECHNICAL DATA SHEET
NSN 5945-00-381-8043Government record, cited

Relay, Electromagnetic5945-00-381-8043

NSN 5945-00-381-8043 · NIIN 003818043 · Part number 221966PC4
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · FSC 5945 — Relays and Solenoids · FSG 59 — Electrical and Electronic Equipment Components · CAGE 10001
Government record, cited
NSN 5945-00-381-8043 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-381-8043. Manufacturer of record part number: 221966PC4.
Also searched as  5945-00-381-8043 · 5945003818043 · NIIN 003818043 · 00-381-8043 · FSC 5945 Relays and Solenoids · CAGE 10001 · 221966PC4
Nearby stock numbers  ·
Features
  • Relay,electromagnetic — FSC 5945
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Fragility Factor: MODERATELY RUGGED
  • Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY
  • Arc Quenching Method: AIR
  • Duty Type: CONTINUOUS
  • Storage Type: GENERAL PURPOSE WAREHOUSE
  • Unthreaded Mounting Hole Diameter: 0.136 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Identification
  • NSN: 5945-00-381-8043
  • NIIN: 003818043
  • FSC: 5945 — Relays and Solenoids
  • FSG: 59 — Electrical and Electronic Equipment Components
  • Primary part number: 221966PC4
  • Manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-381-8043, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-381-8043
Primary Part Number221966PC4
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — Relays and Solenoids
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Fragility FactorMODERATELY RUGGED
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Arc Quenching MethodAIR
Duty TypeCONTINUOUS
Storage TypeGENERAL PURPOSE WAREHOUSE
Unthreaded Mounting Hole Diameter0.136 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Frequency in Hertz60.0 NOMINAL
Center to Center Distance Between Mounting Facilities Parallel to Height5.875 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Coil Quantity1
Environmental ProtectionDUSTPROOF
Winding Quantity1
Operating Voltage Rating and Type at Specified Temp115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Terminal Type and Quantity8 THREADED STUD ALL FUNCTIONS
Nonpile-Up Main Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
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
221966PC4 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
221966PC4 Lockheed Martin Corporation Div Rms - Mitchel Field (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 5945-00-381-8043?

NSN 5945-00-381-8043 is a Relay,electromagnetic, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5945, Relays and Solenoids. Status: active.

What part numbers are listed for NSN 5945-00-381-8043?

NSN 5945-00-381-8043 has 2 manufacturer part numbers on file: 221966PC4 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 221966PC4 (Lockheed Martin Corporation Div Rms - Mitchel Field).

What are the specifications of 221966PC4?

Key specifications for 221966PC4: Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Fragility Factor: MODERATELY RUGGED; Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY; Arc Quenching Method: AIR. 16 specifications are documented in the U.S. Government catalog.

Is NSN 5945-00-381-8043 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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