PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CTH15DS1BSynchro,control Transformer

Moog Inc. · NSN 5990-00-146-3534 · FSC 5990 · No Item Name Available
Verified by PartsTable
NSN 5990-00-146-3534 — this item is cataloged by the U.S. Government under National Stock Number 5990-00-146-3534. Primary manufacturer part number: CTH15DS1B.
Features
  • Synchro,control Transformer — FSC 5990
  • Body Style: STANDARD ROUND B
  • Flange Diameter: 1.4360 INCHES MINIMUM AND 1.4370 INCHES MAXIMUM IN
  • Undercut Width: 0.0680 INCHES MINIMUM AND 0.0880 INCHES MAXIMUM IN
  • Shoulder Diameter: 1.3115 INCHES MINIMUM AND 1.3120 INCHES MAXIMUM IN
  • Pilot Diameter: 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
  • Length: 0.1320 INCHES NOMINAL SHOULDER IN
  • Shaft Diameter: 0.1195 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM SINGLE SHAFT IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Synchro,control Transformer, cataloged under National Stock Number 5990-00-146-3534, 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 Moog Inc.. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5990-00-146-3534
Primary Part NumberCTH15DS1B
Item NameSynchro,control Transformer
FSC / FSG5990 / 59 — No Item Name Available
ManufacturerMoog Inc.
StatusACTIVE
Body StyleSTANDARD ROUND B
Flange Diameter1.4360 INCHES MINIMUM AND 1.4370 INCHES MAXIMUM IN
Undercut Width0.0680 INCHES MINIMUM AND 0.0880 INCHES MAXIMUM IN
Shoulder Diameter1.3115 INCHES MINIMUM AND 1.3120 INCHES MAXIMUM IN
Pilot Diameter0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
Length0.1320 INCHES NOMINAL SHOULDER IN
Shaft Diameter0.1195 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM SINGLE SHAFT IN
Body Size15
Plus J Zso Reactance in Ohms79.20 MINIMUM AND 96.80 MAXIMUM
Stator Input Electrical Power Rating170.0 MILLIWATTS NOMINAL
Mounting Surface to Terminal End Distance1.6320 INCHES NOMINAL IN
Terminal Type and Quantity5 WIRE LEAD
Fragility FactorMODERATELY RUGGED
Stator DC Resistance in Ohms8.64 MINIMUM AND 11.88 MAXIMUM
Zro Resistance in Ohms64.60 MINIMUM AND 87.40 MAXIMUM
Zso Resistance in Ohms12.05 MINIMUM AND 14.95 MAXIMUM
Pilot Length0.0400 INCHES NOMINAL IN
Alignment Hole Depth0.0950 INCHES NOMINAL IN
Stator Input Current Rating115.0 MILLIAMPERES NOMINAL
Alignment Hole Bolt Circle Diameter0.8750 INCHES NOMINAL IN
Frequency in Hertz400.0 MINIMUM AND 408.0 MAXIMUM
Actuator Friction Torque at Minus 55 Deg Celsius15.00 CENTIMETER-GRAMS MAXIMUM CM
Shaft Length0.5400 INCHES NOMINAL SINGLE SHAFT IN
Maximum Total Null Voltage Output in Millivolts Per Volt40.00
Actuator Friction Torque at Plus 25 Deg Celsius4.00 CENTIMETER-GRAMS MAXIMUM CM
Plus J Zro Reactance in Ohms468.00 MINIMUM AND 572.00 MAXIMUM
Terminal LocationREAR
Shaft TypeROUND, SLOTTED SINGLE SHAFT
Rotor DC Resistance in Ohms38.80 MINIMUM AND 50.40 MAXIMUM
Phase Shift Angle in Deg5.600 INPUT TO OUTPUT MINIMUM AND 8.500 INPUT TO OUTPUT MAXIMUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5990-00-057-2795600318 INTERCHANGEABLE
Synchro,control Transformer
Bowmar Llc Dba Bowmar Instrument Corp
5990-00-504-6023AY201S3B INTERCHANGEABLE
Synchro,transmitter
Honeywell International Inc. Dba Honeywell International
5990-00-519-9242 INTERCHANGEABLE
Synchro,transmitter
Cross-Reference Index
Part NumberManufacturer
AY201S3B Honeywell Intl Inc Defense Avionics Systems (USA)
CTH15DS1B PRIMARY Moog Inc. (USA)
EAS303 Mission Systems Davenport Inc. (USA)
AY201S3B PRIMARY Honeywell International Inc. Dba Honeywell International (USA)
Related Parts
5990-00-057-2795INTERCHANGEABLE
SYNCHRO,CONTROL TRANSFORMER
600318
5990-00-504-6023INTERCHANGEABLE
SYNCHRO,TRANSMITTER
AY201S3B
5990-00-519-9242INTERCHANGEABLE
SYNCHRO,TRANSMITTER

Frequently Asked Questions

What is NSN 5990-00-146-3534?

NSN 5990-00-146-3534 is a Synchro,control Transformer, manufactured by Moog Inc., classified under FSC 5990 (No Item Name Available). Status: active.

What are the part numbers for NSN 5990-00-146-3534?

NSN 5990-00-146-3534 has 4 cross-referenced part numbers: AY201S3B (Honeywell Intl Inc Defense Avionics Systems), CTH15DS1B (Moog Inc.), EAS303 (Mission Systems Davenport Inc.), AY201S3B (Honeywell International Inc. Dba Honeywell International).

What NSN replaces 5990-00-146-3534?

There are 3 known substitutes for 5990-00-146-3534: 5990-00-057-2795, 5990-00-504-6023, 5990-00-519-9242. Verify interchangeability with system specifications before substitution.

What are the specifications of CTH15DS1B?

Key specifications for CTH15DS1B: Body Style: STANDARD ROUND B; Flange Diameter: 1.4360 INCHES MINIMUM AND 1.4370 INCHES MAXIMUM IN; Undercut Width: 0.0680 INCHES MINIMUM AND 0.0880 INCHES MAXIMUM IN; Shoulder Diameter: 1.3115 INCHES MINIMUM AND 1.3120 INCHES MAXIMUM IN. 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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