PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

455-0178-003Relay,electromagnetic

The Boeing Company Div Legacy Boeing Hb1 · NSN 5945-00-946-0593 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-946-0593 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-946-0593. Primary manufacturer part number: 455-0178-003.
Features
  • Relay,electromagnetic — FSC 5945
  • Unthreaded Mounting Hole Diameter: 0.125 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Terminal Type and Quantity: 6 PIN ALL FUNCTIONS
  • Operating Voltage Rating and Type at Specified Temp: 24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
  • Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY
  • Coil Quantity: 1
  • Main Contact Load Current Rating at Maximum Rated Voltage: 1.0 AMPERES AC AND 1.0 AMPERES DC RESISTIVE LOAD
  • Duty Type: CONTINUOUS
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-946-0593, 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 The Boeing Company Div Legacy Boeing Hb1. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-946-0593
Primary Part Number455-0178-003
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerThe Boeing Company Div Legacy Boeing Hb1
StatusACTIVE
Unthreaded Mounting Hole Diameter0.125 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Terminal Type and Quantity6 PIN ALL FUNCTIONS
Operating Voltage Rating and Type at Specified Temp24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Coil Quantity1
Main Contact Load Current Rating at Maximum Rated Voltage1.0 AMPERES AC AND 1.0 AMPERES DC RESISTIVE LOAD
Duty TypeCONTINUOUS
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Time Delay0.0045 SECONDS NOMINAL FIXED OPERATE TIME
Nominal Operating Current Rating and Type75.0 MILLIAMPERES DC SINGLE WINDING
Features ProvidedPOLARIZED
Nonpile-Up Main Contact Arrangement2 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Center to Center Distance Between Mounting Facilities Parallel to Width1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Main Contact Maximum Voltage Rating in Volts115.0 AC AND 28.0 DC
Winding Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5305-00-013-1966 INTERCHANGEABLE
Screw,machine
4730-00-104-5990100-245 INTERCHANGEABLE
Plug,end
Zf Off-Highway Solutions Minnesota Inc
5999-00-717-5130100-245 INTERCHANGEABLE
Clip,electrical
Atlee of Delaware, Incorporated
6240-00-914-5578 INTERCHANGEABLE
Lamp,incandescent
6110-00-971-2027100245 INTERCHANGEABLE
Regulator,voltage
L3harris Technologies, Inc Div Space & Airborne Systems
4320-01-340-0338100245 INTERCHANGEABLE
Pump,reciprocating
L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division
4820-01-480-54961002-45 INTERCHANGEABLE
Body,valve
Aqualung Usa, Inc
Cross-Reference Index
Part NumberManufacturer
455-0178-003 PRIMARY The Boeing Company Div Legacy Boeing Hb1 (USA)
AJ2812-4-5S Parko Electronics Company Inc (USA)
100245 Parko Electronics Company Inc (USA)
Related Parts
5305-00-013-1966INTERCHANGEABLE
SCREW,MACHINE
4730-00-104-5990INTERCHANGEABLE
PLUG,END
100-245
5999-00-717-5130INTERCHANGEABLE
CLIP,ELECTRICAL
100-245
6240-00-914-5578INTERCHANGEABLE
LAMP,INCANDESCENT
6110-00-971-2027INTERCHANGEABLE
REGULATOR,VOLTAGE
100245
4320-01-340-0338INTERCHANGEABLE
PUMP,RECIPROCATING
100245
4820-01-480-5496INTERCHANGEABLE
BODY,VALVE
1002-45

Frequently Asked Questions

What is NSN 5945-00-946-0593?

NSN 5945-00-946-0593 is a Relay,electromagnetic, manufactured by The Boeing Company Div Legacy Boeing Hb1, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-946-0593?

NSN 5945-00-946-0593 has 3 cross-referenced part numbers: 455-0178-003 (The Boeing Company Div Legacy Boeing Hb1), AJ2812-4-5S (Parko Electronics Company Inc), 100245 (Parko Electronics Company Inc).

What NSN replaces 5945-00-946-0593?

There are 7 known substitutes for 5945-00-946-0593: 5305-00-013-1966, 4730-00-104-5990, 5999-00-717-5130 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 455-0178-003?

Key specifications for 455-0178-003: Unthreaded Mounting Hole Diameter: 0.125 INCHES NOMINAL SINGLE MOUNTING FACILITY IN; Terminal Type and Quantity: 6 PIN ALL FUNCTIONS; Operating Voltage Rating and Type at Specified Temp: 24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING; Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY. 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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