PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AY986T1Synchro,control Transformer

Honeywell International Inc. Dba Honeywell International · NSN 5990-00-853-1123 · FSC 5990 · No Item Name Available
Verified by PartsTable
NSN 5990-00-853-1123 — this item is cataloged by the U.S. Government under National Stock Number 5990-00-853-1123. Primary manufacturer part number: AY986T1.
Features
  • Synchro,control Transformer — FSC 5990
  • Body Size: 11
  • Stator Input Voltage Rating in Volts: 11.8 NOMINAL
  • Plus J Zrs Reactance in Ohms: 55.00 NOMINAL
  • Frequency in Hertz: 400.0 NOMINAL
  • Plus J Zso Reactance in Ohms: 75.00 NOMINAL
  • Actuator Friction Torque at Minus 55 Deg Celsius: 9.00 CENTIMETER-GRAMS NOMINAL CM
  • Stator Input Electrical Power Rating: 500.00 MILLIWATTS MAXIMUM
Applications
  • Applications requiring Steel Corrosion Resisting Body construction
General Description

The Synchro,control Transformer, cataloged under National Stock Number 5990-00-853-1123, 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 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5990-00-853-1123
Primary Part NumberAY986T1
Item NameSynchro,control Transformer
FSC / FSG5990 / 59 — No Item Name Available
ManufacturerHoneywell International Inc. Dba Honeywell International
StatusCANCELLED
Body Size11
Stator Input Voltage Rating in Volts11.8 NOMINAL
Plus J Zrs Reactance in Ohms55.00 NOMINAL
Frequency in Hertz400.0 NOMINAL
Plus J Zso Reactance in Ohms75.00 NOMINAL
Actuator Friction Torque at Minus 55 Deg Celsius9.00 CENTIMETER-GRAMS NOMINAL CM
Stator Input Electrical Power Rating500.00 MILLIWATTS MAXIMUM
MaterialSTEEL CORROSION RESISTING BODY
Maximum Total Null Voltage Output in Millivolts Per Volt0.04
Shaft Slot Width0.0310 INCHES NOMINAL SINGLE SHAFT IN
Mounting Surface to Terminal End Distance1.6870 INCHES MAXIMUM IN
Zro Resistance in Ohms75.00 NOMINAL
Shaft Length0.5620 INCHES NOMINAL SINGLE SHAFT IN
Terminal LocationREAR
Transformation Ratio2.160 ROTOR TO STATOR MINIMUM AND 2.180 ROTOR TO STATOR MAXIMUM
Terminal Type and Quantity5 WIRE LEAD
Pilot Length0.0620 INCHES NOMINAL IN
Phase Shift Angle in Deg7.500 INPUT TO OUTPUT NOMINAL
Shaft Slot Depth0.0310 INCHES NOMINAL SINGLE SHAFT IN
Actuator Friction Torque at Plus 25 Deg Celsius3.00 CENTIMETER-GRAMS NOMINAL CM
Zso Resistance in Ohms16.00 NOMINAL
Stator Input Current Rating54.00 MILLIAMPERES NOMINAL
Electrical Error Angular Range in Minutes-10.0 TO 10.0
Plus J Zro Reactance in Ohms405.00 NOMINAL
Zrs Resistance in Ohms80.00 NOMINAL
Shaft TypeROUND, SLOTTED SINGLE SHAFT
Shaft Diameter0.1195 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM SINGLE SHAFT IN
Length0.0620 INCHES NOMINAL SHOULDER IN
Pilot Diameter0.6250 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
3040-00-737-1012A1228 INTERCHANGEABLE
Connecting Link,rigid
Am General Llc
4310-01-222-4629 INTERCHANGEABLE
Filter Element,intake Air Cleane
Cross-Reference Index
Part NumberManufacturer
CTH11BN5A536 Moog Inc. (USA)
AY986T1 PRIMARY Honeywell International Inc. Dba Honeywell International (USA)
AY986T1 Honeywell Intl Inc Defense Avionics Systems (USA)
4103-06 Moog Inc. (USA)
737101-2 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
CTC11BN50 Moog Inc. (USA)
Related Parts
3040-00-737-1012INTERCHANGEABLE
CONNECTING LINK,RIGID
A1228
4310-01-222-4629INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE

Frequently Asked Questions

What is NSN 5990-00-853-1123?

NSN 5990-00-853-1123 is a Synchro,control Transformer, manufactured by Honeywell International Inc. Dba Honeywell International, classified under FSC 5990 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5990-00-853-1123?

NSN 5990-00-853-1123 has 6 cross-referenced part numbers: CTH11BN5A536 (Moog Inc.), AY986T1 (Honeywell International Inc. Dba Honeywell International), AY986T1 (Honeywell Intl Inc Defense Avionics Systems), 4103-06 (Moog Inc.), 737101-2 (Lockheed Martin Corporation Div Rms - Mitchel Field) and 1 more.

What NSN replaces 5990-00-853-1123?

There are 2 known substitutes for 5990-00-853-1123: 3040-00-737-1012, 4310-01-222-4629. Verify interchangeability with system specifications before substitution.

What are the specifications of AY986T1?

Key specifications for AY986T1: Body Size: 11; Stator Input Voltage Rating in Volts: 11.8 NOMINAL; Plus J Zrs Reactance in Ohms: 55.00 NOMINAL; Frequency in Hertz: 400.0 NOMINAL. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5990-00-853-1123 still in active supply?

NSN 5990-00-853-1123 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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