PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AY201S2ESynchro,receiver

Honeywell International Inc. Dba Honeywell International · NSN 5990-00-503-4120 · FSC 5990 · No Item Name Available
Verified by PartsTable
NSN 5990-00-503-4120 — this item is cataloged by the U.S. Government under National Stock Number 5990-00-503-4120. Primary manufacturer part number: AY201S2E.
Features
  • Synchro,receiver — FSC 5990
  • Shaft Slot Width: 0.0210 INCHES MINIMUM AND 0.0310 INCHES MAXIMUM SINGLE SHAFT IN
  • Body Style: STANDARD ROUND C
  • Pilot Diameter: 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
  • Frequency in Hertz: 400.0 NOMINAL
  • Flange Thickness: 0.0930 INCHES NOMINAL IN
  • Shoulder Diameter: 1.3115 INCHES MINIMUM AND 1.3120 INCHES MAXIMUM IN
  • Flange Diameter: 1.4360 INCHES MINIMUM AND 1.4370 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Synchro,receiver, cataloged under National Stock Number 5990-00-503-4120, 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 13 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5990-00-503-4120
Primary Part NumberAY201S2E
Item NameSynchro,receiver
FSC / FSG5990 / 59 — No Item Name Available
ManufacturerHoneywell International Inc. Dba Honeywell International
StatusCANCELLED
Shaft Slot Width0.0210 INCHES MINIMUM AND 0.0310 INCHES MAXIMUM SINGLE SHAFT IN
Body StyleSTANDARD ROUND C
Pilot Diameter0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
Frequency in Hertz400.0 NOMINAL
Flange Thickness0.0930 INCHES NOMINAL IN
Shoulder Diameter1.3115 INCHES MINIMUM AND 1.3120 INCHES MAXIMUM IN
Flange Diameter1.4360 INCHES MINIMUM AND 1.4370 INCHES MAXIMUM IN
Undercut Width0.0780 INCHES NOMINAL IN
Undercut Diameter1.3120 INCHES NOMINAL IN
Shaft Slot Depth0.0210 INCHES MINIMUM AND 0.0310 INCHES MAXIMUM SINGLE SHAFT IN
Rotor DC Resistance in Ohms16.00 NOMINAL
Fragility FactorMODERATELY RUGGED
Zro Resistance in Ohms45.00 NOMINAL
Alignment Hole Bolt Circle Diameter0.8750 INCHES NOMINAL IN
Shaft TypeROUND, SLOTTED SINGLE SHAFT
Receiver Error Angular Range in Minutes-45.0 TO 45.0
Zrs Resistance in Ohms36.00 NOMINAL
Plus J Zro Reactance in Ohms255.00 NOMINAL
Rotor Input Electrical Power Rating450.0 MILLIWATTS NOMINAL
Plus J Zso Reactance in Ohms39.00 NOMINAL
Stator DC Resistance in Ohms7.00 NOMINAL
Alignment Hole Quantity4
Rotor Input Current Rating100.0 MILLIAMPERES NOMINAL
Body MaterialALUMINUM ALLOY
Shaft Length0.5400 INCHES NOMINAL SINGLE SHAFT IN
Shaft Diameter0.1195 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM SINGLE SHAFT IN
Body Size15
Zso Resistance in Ohms7.00 NOMINAL
Terminal Type and Quantity5 WIRE LEAD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-003-928050141S INTERCHANGEABLE
Seal,plain Encased
Federal-Mogul Corp Government Sales Dept
1680-00-082-763058418 INTERCHANGEABLE
Shaft Assy,flap Dr1
Heligear Acquisition Co. Dba Northstar Aerospace, Inc.
5895-00-294-6530 INTERCHANGEABLE
Divider,power,radio Frequency
3455-00-455-5427 INTERCHANGEABLE
File,rotary
1650-00-507-541435-16307W INTERCHANGEABLE
Flange Mounting
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division
5935-00-724-7941G350116S2 INTERCHANGEABLE
Connector Body,receptacle,electr
L3harris Technologies, Inc Div Space & Airborne Systems
5330-00-867-4182194198 INTERCHANGEABLE
Seal,oil
Dana Off Highway Products, Llc
5330-01-123-049550141 INTERCHANGEABLE
Gasket
Sabre Engines Ltd
4710-01-204-7909 INTERCHANGEABLE
Tube,metallic
4820-01-436-4903F620S4 INTERCHANGEABLE
Valve,calibrated Flow
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
Cross-Reference Index
Part NumberManufacturer
AY201S2E Honeywell Intl Inc Defense Avionics Systems (USA)
739-900-001 Raytheon Company (USA)
58418 Raytheon Technical Services Company (USA)
AY201S2E PRIMARY Honeywell International Inc. Dba Honeywell International (USA)
1819950 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
50141 Raytheon Company Dba Raytheon (USA)
AY201S2B Honeywell International Inc. Dba Honeywell International (USA)
451-1268-2 Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions (USA)
15TR3B-1594 Schulze Mfg., Inc. (USA)
58418 Cae Usa Inc. (USA)
15SS1594 Schulze Mfg., Inc. (USA)
2G4009-7 Moog Inc. (USA)
AY201S2B Honeywell Intl Inc Defense Avionics Systems (USA)
Related Parts
5330-00-003-9280INTERCHANGEABLE
SEAL,PLAIN ENCASED
50141S
1680-00-082-7630INTERCHANGEABLE
SHAFT ASSY,FLAP DR1
58418
5895-00-294-6530INTERCHANGEABLE
DIVIDER,POWER,RADIO FREQUENCY
3455-00-455-5427INTERCHANGEABLE
FILE,ROTARY
1650-00-507-5414INTERCHANGEABLE
FLANGE MOUNTING
35-16307W
5935-00-724-7941INTERCHANGEABLE
CONNECTOR BODY,RECEPTACLE,ELECTR
G350116S2
5330-00-867-4182INTERCHANGEABLE
SEAL,OIL
194198
5330-01-123-0495INTERCHANGEABLE
GASKET
50141
4710-01-204-7909INTERCHANGEABLE
TUBE,METALLIC
4820-01-436-4903INTERCHANGEABLE
VALVE,CALIBRATED FLOW
F620S4
5935-01-462-6847INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5315-01-549-5363INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
50141

Frequently Asked Questions

What is NSN 5990-00-503-4120?

NSN 5990-00-503-4120 is a Synchro,receiver, 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 5990-00-503-4120?

NSN 5990-00-503-4120 has 13 cross-referenced part numbers: AY201S2E (Honeywell Intl Inc Defense Avionics Systems), 739-900-001 (Raytheon Company), 58418 (Raytheon Technical Services Company), AY201S2E (Honeywell International Inc. Dba Honeywell International), 1819950 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier) and 8 more.

What NSN replaces 5990-00-503-4120?

There are 12 known substitutes for 5990-00-503-4120: 5330-00-003-9280, 1680-00-082-7630, 5895-00-294-6530 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AY201S2E?

Key specifications for AY201S2E: Shaft Slot Width: 0.0210 INCHES MINIMUM AND 0.0310 INCHES MAXIMUM SINGLE SHAFT IN; Body Style: STANDARD ROUND C; Pilot Diameter: 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN; Frequency in Hertz: 400.0 NOMINAL. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5990-00-503-4120 still in active supply?

NSN 5990-00-503-4120 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.
PartsTable Design LLC · partstable.com