PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AY201A1BSynchro,transmitter

Honeywell International Inc. Dba Honeywell International · NSN 5990-00-538-7330 · FSC 5990 · No Item Name Available
Verified by PartsTable
NSN 5990-00-538-7330 — this item is cataloged by the U.S. Government under National Stock Number 5990-00-538-7330. Primary manufacturer part number: AY201A1B.
Features
  • Synchro,transmitter — FSC 5990
  • Flange Thickness: 0.0930 INCHES NOMINAL IN
  • Flange Diameter: 1.4360 INCHES MINIMUM AND 1.4370 INCHES MAXIMUM IN
  • Undercut Diameter: 1.3120 INCHES NOMINAL IN
  • Pilot Diameter: 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
  • Body Style: STANDARD ROUND C
  • Undercut Width: 0.0780 INCHES NOMINAL IN
  • Shoulder Diameter: 1.3115 INCHES MINIMUM AND 1.3120 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Synchro,transmitter, cataloged under National Stock Number 5990-00-538-7330, 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 11 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5990-00-538-7330
Primary Part NumberAY201A1B
Item NameSynchro,transmitter
FSC / FSG5990 / 59 — No Item Name Available
ManufacturerHoneywell International Inc. Dba Honeywell International
StatusCANCELLED
Flange Thickness0.0930 INCHES NOMINAL IN
Flange Diameter1.4360 INCHES MINIMUM AND 1.4370 INCHES MAXIMUM IN
Undercut Diameter1.3120 INCHES NOMINAL IN
Pilot Diameter0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
Body StyleSTANDARD ROUND C
Undercut Width0.0780 INCHES NOMINAL IN
Shoulder Diameter1.3115 INCHES MINIMUM AND 1.3120 INCHES MAXIMUM IN
Length0.0920 INCHES NOMINAL SHOULDER IN
Frequency in Hertz400.0 NOMINAL
Electrical Error Angular Range in Minutes-15.0 TO 15.0
Shaft TypeROUND, SLOTTED SINGLE SHAFT
Body Size15
Shaft Slot Depth0.0210 INCHES MINIMUM AND 0.0310 INCHES MAXIMUM SINGLE SHAFT IN
Terminal Type and Quantity5 WIRE LEAD
Rotor Input Electrical Power Rating1.3 WATTS NOMINAL
Actuator Friction Torque at Minus 55 Deg Celsius15.00 CENTIMETER-GRAMS NOMINAL CM
Body MaterialSTEEL CORROSION RESISTING
Shaft Slot Width0.0210 INCHES MINIMUM AND 0.0310 INCHES MAXIMUM SINGLE SHAFT IN
Rotor Input Current Rating225.0 MILLIAMPERES NOMINAL
Stator DC Resistance in Ohms3.50 NOMINAL
Zro Resistance in Ohms25.00 NOMINAL
Rotor DC Resistance in Ohms9.50 NOMINAL
Rotor Input Voltage Rating in Volts26.0 NOMINAL
Fragility FactorMODERATELY RUGGED
Pilot Length0.0400 INCHES NOMINAL IN
Actuator Friction Torque at Plus 25 Deg Celsius5.00 CENTIMETER-GRAMS NOMINAL CM
Shaft Diameter0.1195 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM SINGLE SHAFT IN
Phase Shift Angle in Deg4.500 INPUT TO OUTPUT NOMINAL
Plus J Zro Reactance in Ohms115.00 NOMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5977-00-284-9926050-10088-08 INTERCHANGEABLE
Brush,electrical Contact
Kato Engineering Inc.
1075-00-383-82713134727B INTERCHANGEABLE
Plate,retainer
Naval Ship Systems Command
4330-00-424-580513842D INTERCHANGEABLE
Case
Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/
3439-00-540-4755HD-S12 INTERCHANGEABLE
Holder,soldering Iron
Hexacon Electric Company
6625-00-951-2459 INTERCHANGEABLE
Test Set Subassembly,electrical
4210-00-956-1498 INTERCHANGEABLE
Adapter
5945-01-009-21148526 INTERCHANGEABLE
Relay,solid State
Opcon Inc
5962-01-115-1685C8899-2 INTERCHANGEABLE
Microcircuit,linear
Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
4820-01-208-4255E8632P41M INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
1680-01-279-35448526 INTERCHANGEABLE
Actuator,electro-Mechanical,line
Cef Industries, Llc Dba Cef Industries Inc
Cross-Reference Index
Part NumberManufacturer
CGH-15-DS-1 Moog Inc. (USA)
451-1268-3 Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions (USA)
85-26 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
AY201A1B PRIMARY Honeywell International Inc. Dba Honeywell International (USA)
144A21800-212 Northrop Grumman Systems Corporation Div Es Defensive Systems Division (USA)
G15P5010 Cardwell Condenser Corp Lapointe-Admiral Div (USA)
785671-9 Honeywell International Inc. Dba Honeywell International (USA)
785671-9 Honeywell Intl Inc Defense Avionics Systems (USA)
144A21800-212 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA)
AY201A1B Honeywell Intl Inc Defense Avionics Systems (USA)
AY201-1B Honeywell Intl Inc Defense Avionics Systems (USA)
Related Parts
5977-00-284-9926INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
050-10088-08
1075-00-383-8271INTERCHANGEABLE
PLATE,RETAINER
3134727B
4330-00-424-5805INTERCHANGEABLE
CASE
13842D
3439-00-540-4755INTERCHANGEABLE
HOLDER,SOLDERING IRON
HD-S12
6625-00-951-2459INTERCHANGEABLE
TEST SET SUBASSEMBLY,ELECTRICAL
4210-00-956-1498INTERCHANGEABLE
ADAPTER
5945-01-009-2114INTERCHANGEABLE
RELAY,SOLID STATE
8526
5962-01-115-1685INTERCHANGEABLE
MICROCIRCUIT,LINEAR
C8899-2
4820-01-208-4255INTERCHANGEABLE
VALVE,SAFETY RELIEF
E8632P41M
1680-01-279-3544INTERCHANGEABLE
ACTUATOR,ELECTRO-MECHANICAL,LINE
8526

Frequently Asked Questions

What is NSN 5990-00-538-7330?

NSN 5990-00-538-7330 is a Synchro,transmitter, 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 5990-00-538-7330?

NSN 5990-00-538-7330 has 11 cross-referenced part numbers: CGH-15-DS-1 (Moog Inc.), 451-1268-3 (Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions), 85-26 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems), AY201A1B (Honeywell International Inc. Dba Honeywell International), 144A21800-212 (Northrop Grumman Systems Corporation Div Es Defensive Systems Division) and 6 more.

What NSN replaces 5990-00-538-7330?

There are 10 known substitutes for 5990-00-538-7330: 5977-00-284-9926, 1075-00-383-8271, 4330-00-424-5805 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AY201A1B?

Key specifications for AY201A1B: Flange Thickness: 0.0930 INCHES NOMINAL IN; Flange Diameter: 1.4360 INCHES MINIMUM AND 1.4370 INCHES MAXIMUM IN; Undercut Diameter: 1.3120 INCHES NOMINAL IN; Pilot Diameter: 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5990-00-538-7330 still in active supply?

NSN 5990-00-538-7330 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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