PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9748-2Relay,electromagnetic

Te Connectivity Corporation · NSN 5945-00-229-0203 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-229-0203 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-229-0203. Primary manufacturer part number: 9748-2.
Features
  • Relay,electromagnetic — FSC 5945
  • Operating Voltage Rating and Type at Specified Temp: 30.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
  • Duty Type: CONTINUOUS
  • Main Contact Maximum Voltage Rating in Volts: 24.0 DC
  • Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY
  • Winding DC Resistance Rating: 260.0 OHMS NOMINAL SINGLE WINDING
  • Unthreaded Mounting Hole Diameter: 0.280 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Terminal Type and Quantity: 2 SCREW CONTACTS
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-229-0203, 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 Te Connectivity Corporation. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5945-00-229-0203
Primary Part Number9748-2
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerTe Connectivity Corporation
StatusCANCELLED
Operating Voltage Rating and Type at Specified Temp30.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Duty TypeCONTINUOUS
Main Contact Maximum Voltage Rating in Volts24.0 DC
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Winding DC Resistance Rating260.0 OHMS NOMINAL SINGLE WINDING
Unthreaded Mounting Hole Diameter0.280 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Terminal Type and Quantity2 SCREW CONTACTS
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Main Contact Load Current Rating at Maximum Rated Voltage15.0 AMPERES DC RESISTIVE LOAD
Winding Quantity1
Nonpile-Up Main Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Center to Center Distance Between Mounting Facilities Parallel to Length0.937 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Coil Quantity1
Terminal Type and Quantity2 SCREW ENERGIZING ELEMENT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6645-00-062-701620019 INTERCHANGEABLE
Meter,time Totalizing
Honeywell International Inc. Dba Honeyweel Sensing & Controls
2840-00-066-9921484341 INTERCHANGEABLE
Bracket Assembly,thermocouple,tu
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
3455-00-131-621919609 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
4935-00-181-261548434-1 INTERCHANGEABLE
Core Assembly,test
Lockheed Martin Corp Electronics and Missiles Div
5133-00-189-9254 INTERCHANGEABLE
Drill,twist
5133-00-189-9309 INTERCHANGEABLE
Drill,twist
3110-00-227-2159 INTERCHANGEABLE
Bearing,roller,needle
5905-00-255-2453 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5945-00-258-178010658187 INTERCHANGEABLE
Relay,electromagnetic
Us Army Aviation and Missile Command
5945-00-258-3411 INTERCHANGEABLE
Relay,electromagnetic
Cross-Reference Index
Part NumberManufacturer
9748-2 PRIMARY Te Connectivity Corporation (USA)
9748-2 Emerson Electric Co White-Rodgers Div (USA)
20019 York Electric and Machine Co (USA)
7520352 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
484341 Meggitt Troy Inc (USA)
484341 Stewart-Warner Corporation (USA)
X479900D Emerson Electric Co White-Rodgers Div (USA)
Related Parts
6645-00-062-7016INTERCHANGEABLE
METER,TIME TOTALIZING
20019
2840-00-066-9921INTERCHANGEABLE
BRACKET ASSEMBLY,THERMOCOUPLE,TU
484341
3455-00-131-6219INTERCHANGEABLE
REAMER,MACHINE
19609
4935-00-181-2615INTERCHANGEABLE
CORE ASSEMBLY,TEST
48434-1
5133-00-189-9254INTERCHANGEABLE
DRILL,TWIST
5133-00-189-9309INTERCHANGEABLE
DRILL,TWIST
3110-00-227-2159INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
5905-00-255-2453INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5945-00-258-1780INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
10658187
5945-00-258-3411INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5841-00-563-1523INTERCHANGEABLE
MOUNTING
20019
5940-00-983-6060INTERCHANGEABLE
TERMINAL BOARD

Frequently Asked Questions

What is NSN 5945-00-229-0203?

NSN 5945-00-229-0203 is a Relay,electromagnetic, manufactured by Te Connectivity Corporation, classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-00-229-0203?

NSN 5945-00-229-0203 has 7 cross-referenced part numbers: 9748-2 (Te Connectivity Corporation), 9748-2 (Emerson Electric Co White-Rodgers Div), 20019 (York Electric and Machine Co), 7520352 (U S Army Tank Automotive Command Amsta-Im-Mm), 484341 (Meggitt Troy Inc) and 2 more.

What NSN replaces 5945-00-229-0203?

There are 12 known substitutes for 5945-00-229-0203: 6645-00-062-7016, 2840-00-066-9921, 3455-00-131-6219 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9748-2?

Key specifications for 9748-2: Operating Voltage Rating and Type at Specified Temp: 30.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING; Duty Type: CONTINUOUS; Main Contact Maximum Voltage Rating in Volts: 24.0 DC; Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-00-229-0203 still in active supply?

NSN 5945-00-229-0203 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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