PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H-X9A-101Relay,electromagnetic

The Boeing Company Div Defense · NSN 5945-00-283-6553 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-283-6553 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-283-6553. Primary manufacturer part number: H-X9A-101.
Features
  • Relay,electromagnetic — FSC 5945
  • Terminal Type and Quantity: 5 PIN ALL FUNCTIONS
  • Unthreaded Mounting Hole Diameter: 0.173 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Main Contact Load Current Rating at Maximum Rated Voltage: 75.0 AMPERES AC AND 75.0 AMPERES DC RESISTIVE LOAD
  • Angle Between Adjacent Mounting Facilities: 30.0 DEGREES NOMINAL SINGLE MOUNTING FACILITY
  • Operating Voltage Rating and Type at Specified Temp: 24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
  • Winding Quantity: 1
  • Mounting Facility Type and Quantity: 12 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-283-6553, 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 Defense. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5945-00-283-6553
Primary Part NumberH-X9A-101
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusCANCELLED
Terminal Type and Quantity5 PIN ALL FUNCTIONS
Unthreaded Mounting Hole Diameter0.173 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Main Contact Load Current Rating at Maximum Rated Voltage75.0 AMPERES AC AND 75.0 AMPERES DC RESISTIVE LOAD
Angle Between Adjacent Mounting Facilities30.0 DEGREES NOMINAL SINGLE MOUNTING FACILITY
Operating Voltage Rating and Type at Specified Temp24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Winding Quantity1
Mounting Facility Type and Quantity12 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Main Contact Maximum Voltage Rating in Volts115.0 AC AND 29.0 DC
Coil Quantity1
Nominal Operating Current Rating and Type500.0 MILLIAMPERES DC SINGLE WINDING
Nonpile-Up Main Contact Arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Duty TypeCONTINUOUS
Mounting Facility PatternCIRUCLAR SINGLE MOUNTING FACILITY
Environmental ProtectionHERMETIC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5310-00-187-425894922A029 INTERCHANGEABLE
Nut,plain,cap
Mcmaster-Carr Supply Co
5342-00-200-7579 INTERCHANGEABLE
Mount,resilient,weapon System
4730-01-189-7301101722 INTERCHANGEABLE
Strainer,sediment
Ohio Medical Corporation Dba Ohio Medical Corp Ltd U.k
1660-01-729-6682 INTERCHANGEABLE
Duct Assembly,air Conditioning-H
Cross-Reference Index
Part NumberManufacturer
H-X9A-101 PRIMARY The Boeing Company Div Defense (USA)
10-1722 The Boeing Company Div Defense (USA)
10-1722-3 The Boeing Company Div Defense (USA)
G-55335-1 Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co (USA)
115-536-295-1 Lockheed Martin Corporation Dba Lockheed Martin Rotary and Mission Systems Div Rms- C6isr (USA)
719070-1 Raytheon Company Div Rmd Strategic (USA)
A419-055335-01 Electronic Controls Corporation (USA)
Related Parts
5310-00-187-4258INTERCHANGEABLE
NUT,PLAIN,CAP
94922A029
5342-00-200-7579INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
4730-01-189-7301INTERCHANGEABLE
STRAINER,SEDIMENT
101722
1660-01-729-6682INTERCHANGEABLE
DUCT ASSEMBLY,AIR CONDITIONING-H

Frequently Asked Questions

What is NSN 5945-00-283-6553?

NSN 5945-00-283-6553 is a Relay,electromagnetic, manufactured by The Boeing Company Div Defense, classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-00-283-6553?

NSN 5945-00-283-6553 has 7 cross-referenced part numbers: H-X9A-101 (The Boeing Company Div Defense), 10-1722 (The Boeing Company Div Defense), 10-1722-3 (The Boeing Company Div Defense), G-55335-1 (Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co), 115-536-295-1 (Lockheed Martin Corporation Dba Lockheed Martin Rotary and Mission Systems Div Rms- C6isr) and 2 more.

What NSN replaces 5945-00-283-6553?

There are 4 known substitutes for 5945-00-283-6553: 5310-00-187-4258, 5342-00-200-7579, 4730-01-189-7301 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H-X9A-101?

Key specifications for H-X9A-101: Terminal Type and Quantity: 5 PIN ALL FUNCTIONS; Unthreaded Mounting Hole Diameter: 0.173 INCHES NOMINAL SINGLE MOUNTING FACILITY IN; Main Contact Load Current Rating at Maximum Rated Voltage: 75.0 AMPERES AC AND 75.0 AMPERES DC RESISTIVE LOAD; Angle Between Adjacent Mounting Facilities: 30.0 DEGREES NOMINAL SINGLE MOUNTING FACILITY. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-00-283-6553 still in active supply?

NSN 5945-00-283-6553 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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