PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AY201S3BSynchro,transmitter

Honeywell International Inc. Dba Honeywell International · NSN 5990-00-519-9242 · FSC 5990 · No Item Name Available
Verified by PartsTable
NSN 5990-00-519-9242 — this item is cataloged by the U.S. Government under National Stock Number 5990-00-519-9242. Primary manufacturer part number: AY201S3B.
Features
  • Synchro,transmitter — FSC 5990
  • Phase Shift Angle in Deg: 5.500 INPUT TO OUTPUT NOMINAL
  • Frequency in Hertz: 400.0 NOMINAL
  • Body Material: STEEL CORROSION RESISTING
  • Mounting Surface to Terminal End Distance: 1.5910 INCHES NOMINAL IN
  • Electrical Error Angular Range in Minutes: -10.0 TO 10.0
  • Undercut Width: 0.0780 INCHES NOMINAL IN
  • Plus J Zso Reactance in Ohms: 85.00 NOMINAL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Synchro,transmitter, cataloged under National Stock Number 5990-00-519-9242, 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 Honeywell International Inc. Dba Honeywell International. Government technical data includes 29 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5990-00-519-9242
Primary Part NumberAY201S3B
Item NameSynchro,transmitter
FSC / FSG5990 / 59 — No Item Name Available
ManufacturerHoneywell International Inc. Dba Honeywell International
StatusACTIVE
Phase Shift Angle in Deg5.500 INPUT TO OUTPUT NOMINAL
Frequency in Hertz400.0 NOMINAL
Body MaterialSTEEL CORROSION RESISTING
Mounting Surface to Terminal End Distance1.5910 INCHES NOMINAL IN
Electrical Error Angular Range in Minutes-10.0 TO 10.0
Undercut Width0.0780 INCHES NOMINAL IN
Plus J Zso Reactance in Ohms85.00 NOMINAL
Shaft TypeROUND, SLOTTED SINGLE SHAFT
Pilot Diameter0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
Flange Diameter1.4360 INCHES MINIMUM AND 1.4370 INCHES MAXIMUM IN
Flange Thickness0.0930 INCHES NOMINAL IN
Undercut Diameter0.3120 INCHES NOMINAL IN
Body StyleSTANDARD ROUND C
Shoulder Diameter1.3115 INCHES MINIMUM AND 1.3120 INCHES MAXIMUM IN
Alignment Hole Bolt Circle Diameter0.8750 INCHES NOMINAL IN
Actuator Friction Torque at Plus 25 Deg Celsius3.00 CENTIMETER-GRAMS MAXIMUM CM
Actuator Friction Torque at Minus 55 Deg Celsius15.00 CENTIMETER-GRAMS MAXIMUM CM
Plus J Zro Reactance in Ohms430.00 NOMINAL
Terminal Type and Quantity5 WIRE LEAD
Rotor DC Resistance in Ohms40.00 NOMINAL
Shaft Diameter0.1195 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM SINGLE SHAFT IN
Stator DC Resistance in Ohms10.00 NOMINAL
Alignment Hole Depth0.1250 INCHES MAXIMUM IN
Length0.1320 INCHES NOMINAL SHOULDER IN
Shaft Slot Width0.0310 INCHES NOMINAL SINGLE SHAFT IN
Shaft Length0.5400 INCHES NOMINAL SINGLE SHAFT IN
Pilot Length0.0400 INCHES NOMINAL IN
Shaft Slot Depth0.0310 INCHES NOMINAL SINGLE SHAFT IN
Plus J Zrs Reactance in Ohms62.00 NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5990-00-057-2795600318 INTERCHANGEABLE
Synchro,control Transformer
Bowmar Llc Dba Bowmar Instrument Corp
3120-00-073-8298114RS312-1 INTERCHANGEABLE
Bearing,washer,thrust
New Hampshire Ball Bearings Inc Div Astro Division
5990-00-146-3534AY201S3B INTERCHANGEABLE
Synchro,control Transformer
Honeywell International Inc. Dba Honeywell International
5990-00-504-6023AY201S3B INTERCHANGEABLE
Synchro,transmitter
Honeywell International Inc. Dba Honeywell International
Cross-Reference Index
Part NumberManufacturer
AY201S3B Honeywell International Inc. Dba Honeywell International (USA)
90664 Lambda Novatronics Inc Delray Opns (USA)
AY201S3B Honeywell Intl Inc Defense Avionics Systems (USA)
90664 Edo (USA)
Related Parts
5990-00-057-2795INTERCHANGEABLE
SYNCHRO,CONTROL TRANSFORMER
600318
3120-00-073-8298INTERCHANGEABLE
BEARING,WASHER,THRUST
114RS312-1
5990-00-146-3534INTERCHANGEABLE
SYNCHRO,CONTROL TRANSFORMER
AY201S3B
5990-00-504-6023INTERCHANGEABLE
SYNCHRO,TRANSMITTER
AY201S3B

Frequently Asked Questions

What is NSN 5990-00-519-9242?

NSN 5990-00-519-9242 is a Synchro,transmitter, manufactured by Honeywell International Inc. Dba Honeywell International, classified under FSC 5990 (No Item Name Available). Status: active.

What are the part numbers for NSN 5990-00-519-9242?

NSN 5990-00-519-9242 has 4 cross-referenced part numbers: AY201S3B (Honeywell International Inc. Dba Honeywell International), 90664 (Lambda Novatronics Inc Delray Opns), AY201S3B (Honeywell Intl Inc Defense Avionics Systems), 90664 (Edo).

What NSN replaces 5990-00-519-9242?

There are 4 known substitutes for 5990-00-519-9242: 5990-00-057-2795, 3120-00-073-8298, 5990-00-146-3534 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AY201S3B?

Key specifications for AY201S3B: Phase Shift Angle in Deg: 5.500 INPUT TO OUTPUT NOMINAL; Frequency in Hertz: 400.0 NOMINAL; Body Material: STEEL CORROSION RESISTING; Mounting Surface to Terminal End Distance: 1.5910 INCHES NOMINAL 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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