PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

102742Synchro,control Transformer

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 5990-00-919-4653 · FSC 5990 · No Item Name Available
Verified by PartsTable
NSN 5990-00-919-4653 — this item is cataloged by the U.S. Government under National Stock Number 5990-00-919-4653. Primary manufacturer part number: 102742.
Features
  • Synchro,control Transformer — FSC 5990
  • Spline Tooth Quantity: 21 SINGLE SHAFT
  • Pilot Length: 0.0400 INCHES NOMINAL IN
  • Stator Input Voltage Rating in Volts: 90.0 NOMINAL
  • Terminal Location: REAR
  • Stator Input Current Rating: 12.0 MILLIAMPERES NOMINAL
  • Shaft Thread Class: 2A SINGLE SHAFT A
  • Shaft Length: 0.5000 INCHES NOMINAL SINGLE SHAFT IN
Applications
  • Applications requiring Aluminum Alloy Body construction
General Description

The Synchro,control Transformer, cataloged under National Stock Number 5990-00-919-4653, is classified within Federal Supply Class 5990 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 29 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5990-00-919-4653
Primary Part Number102742
Item NameSynchro,control Transformer
FSC / FSG5990 / 59 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusACTIVE
Spline Tooth Quantity21 SINGLE SHAFT
Pilot Length0.0400 INCHES NOMINAL IN
Stator Input Voltage Rating in Volts90.0 NOMINAL
Terminal LocationREAR
Stator Input Current Rating12.0 MILLIAMPERES NOMINAL
Shaft Thread Class2A SINGLE SHAFT A
Shaft Length0.5000 INCHES NOMINAL SINGLE SHAFT IN
Shaft Thread Series DesignatorUNF SINGLE SHAFT
Shaft Thread Length0.2920 INCHES NOMINAL SINGLE SHAFT IN
Maximum Total Null Voltage Output in Millivolts Per Volt60.00
MaterialALUMINUM ALLOY BODY
Shaft TypeSPLINE W/THREADS SINGLE SHAFT
Fragility FactorMODERATELY RUGGED
Shaft Nominal Thread Size0.190 INCHES SINGLE SHAFT IN
Mounting Surface to Terminal End Distance1.6400 INCHES MAXIMUM IN
Spline Tooth Diametral Pitch120 SINGLE SHAFT
Transformation Ratio0.735 ROTOR TO STATOR NOMINAL
Stator Input Electrical Power Rating200.0 MILLIWATTS NOMINAL
Body Size15
Shaft Thread DirectionRIGHT-HAND SINGLE SHAFT
Frequency in Hertz400.0 NOMINAL
Terminal Type and Quantity5 SCREW
Shaft Diameter0.1870 INCHES NOMINAL SINGLE SHAFT IN
Pilot Diameter0.8750 INCHES NOMINAL IN
Undercut Width0.0780 INCHES NOMINAL IN
Shoulder Diameter1.3120 INCHES NOMINAL IN
Body StyleSTANDARD ROUND B
Flange Diameter1.4370 INCHES NOMINAL IN
Flange Thickness0.0930 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3120-00-555-7009102742 INTERCHANGEABLE
Bushing,sleeve
Air Logistics Corporation Dba Air Logistics Corp
5985-00-818-4624102742 INTERCHANGEABLE
Cover,waveguide Flange
Frontgrade Technologies Inc.
4710-00-955-3115102742 INTERCHANGEABLE
Tube,oil Spray
Triumph Thermal Systems - Maryland, Inc.
5998-01-086-1373102742 INTERCHANGEABLE
Circuit Card Assembly
Aimtron Systems, Llc
1055-01-175-3992102742 INTERCHANGEABLE
Housing Assembly
Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion
4820-01-273-909510274-2 INTERCHANGEABLE
Valve,globe
Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
5330-01-328-6865 INTERCHANGEABLE
Packing,preformed
5315-01-466-8144102742 INTERCHANGEABLE
Key,machine
Jered Llc
Cross-Reference Index
Part NumberManufacturer
102742 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
CT15-4NB2 General Dynamics Motion Control Llc (USA)
VCT15-18-4C General Dynamics Motion Control Llc (USA)
Related Parts
3120-00-555-7009INTERCHANGEABLE
BUSHING,SLEEVE
102742
5985-00-818-4624INTERCHANGEABLE
COVER,WAVEGUIDE FLANGE
102742
4710-00-955-3115INTERCHANGEABLE
TUBE,OIL SPRAY
102742
5998-01-086-1373INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
102742
1055-01-175-3992INTERCHANGEABLE
HOUSING ASSEMBLY
102742
4820-01-273-9095INTERCHANGEABLE
VALVE,GLOBE
10274-2
5330-01-328-6865INTERCHANGEABLE
PACKING,PREFORMED
5315-01-466-8144INTERCHANGEABLE
KEY,MACHINE
102742

Frequently Asked Questions

What is NSN 5990-00-919-4653?

NSN 5990-00-919-4653 is a Synchro,control Transformer, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5990 (No Item Name Available). Status: active.

What are the part numbers for NSN 5990-00-919-4653?

NSN 5990-00-919-4653 has 3 cross-referenced part numbers: 102742 (L3harris Technologies, Inc Div Space & Airborne Systems), CT15-4NB2 (General Dynamics Motion Control Llc), VCT15-18-4C (General Dynamics Motion Control Llc).

What NSN replaces 5990-00-919-4653?

There are 8 known substitutes for 5990-00-919-4653: 3120-00-555-7009, 5985-00-818-4624, 4710-00-955-3115 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 102742?

Key specifications for 102742: Spline Tooth Quantity: 21 SINGLE SHAFT; Pilot Length: 0.0400 INCHES NOMINAL IN; Stator Input Voltage Rating in Volts: 90.0 NOMINAL; Terminal Location: REAR. 30 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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