PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2323-1CSynchro,control Transformer

Honeywell International Inc. Dba Honeywell International · NSN 5990-00-903-8672 · FSC 5990 · No Item Name Available
Verified by PartsTable
NSN 5990-00-903-8672 — this item is cataloged by the U.S. Government under National Stock Number 5990-00-903-8672. Primary manufacturer part number: 2323-1C.
Features
  • Synchro,control Transformer — FSC 5990
  • Rotor DC Resistance in Ohms: 435.00 NOMINAL
  • Stator Input Voltage Rating in Volts: 90.0 NOMINAL
  • Pilot Diameter: 0.6100 INCHES MINIMUM AND 0.6300 INCHES MAXIMUM IN
  • Shaft End Play: 0.0150 INCHES MAXIMUM IN
  • Schematic Diagram Designator: 1 Y-ROTOR, 1 STATOR
  • Plus J Zro Reactance in Ohms: 930.00 NOMINAL
  • Stator Input Electrical Power Rating: 580.0 MILLIWATTS NOMINAL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Synchro,control Transformer, cataloged under National Stock Number 5990-00-903-8672, 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 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5990-00-903-8672
Primary Part Number2323-1C
Item NameSynchro,control Transformer
FSC / FSG5990 / 59 — No Item Name Available
ManufacturerHoneywell International Inc. Dba Honeywell International
StatusACTIVE
Rotor DC Resistance in Ohms435.00 NOMINAL
Stator Input Voltage Rating in Volts90.0 NOMINAL
Pilot Diameter0.6100 INCHES MINIMUM AND 0.6300 INCHES MAXIMUM IN
Shaft End Play0.0150 INCHES MAXIMUM IN
Schematic Diagram Designator1 Y-ROTOR, 1 STATOR
Plus J Zro Reactance in Ohms930.00 NOMINAL
Stator Input Electrical Power Rating580.0 MILLIWATTS NOMINAL
Frequency in Hertz60.0 NOMINAL
Shaft Slot Depth0.0450 INCHES MINIMUM AND 0.0600 INCHES MAXIMUM SINGLE SHAFT IN
Shaft Thread DirectionRIGHT-HAND SINGLE SHAFT
Zro Resistance in Ohms596.00 NOMINAL
Second Shoulder Face to Rear Flange Distance1.7000 INCHES NOMINAL IN
Stator Input Current Rating24.0 MILLIAMPERES NOMINAL
Terminal LocationREAR
Shaft Thread Class3A SINGLE SHAFT A
Stator DC Resistance in Ohms465.00 NOMINAL
Zrs Resistance in Ohms850.00 NOMINAL
Terminal Type and Quantity5 SCREW
Shaft Slot Width0.0350 INCHES NOMINAL SINGLE SHAFT IN
Shaft Diameter0.2032 INCHES MINIMUM AND 0.2035 INCHES MAXIMUM SINGLE SHAFT IN
Plus J Zso Reactance in Ohms2030.00 NOMINAL
Transformation Ratio0.720 ROTOR TO STATOR MINIMUM AND 0.750 ROTOR TO STATOR MAXIMUM
Shaft Maximum Runout0.0020 INCHES IN
Shaft Length0.6250 INCHES NOMINAL SINGLE SHAFT IN
Shaft End Play Determining Weight48.0 OUNCES OZ
Zso Resistance in Ohms667.00 NOMINAL
Body Size23
Phase Shift Angle in Deg14.000 INPUT TO OUTPUT NOMINAL
Length0.1480 INCHES MINIMUM AND 0.1520 INCHES MAXIMUM SHOULDER IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5940-00-194-4864 INTERCHANGEABLE
Terminal,lug
Cross-Reference Index
Part NumberManufacturer
2323-1C Honeywell International Inc. Dba Honeywell International (USA)
330541 Bae Systems Information and Electronic Systems Integration Inc. (USA)
2323-1C Honeywell Intl Inc Defense Avionics Systems (USA)
Related Parts
5940-00-194-4864INTERCHANGEABLE
TERMINAL,LUG

Frequently Asked Questions

What is NSN 5990-00-903-8672?

NSN 5990-00-903-8672 is a Synchro,control Transformer, 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 5990-00-903-8672?

NSN 5990-00-903-8672 has 3 cross-referenced part numbers: 2323-1C (Honeywell International Inc. Dba Honeywell International), 330541 (Bae Systems Information and Electronic Systems Integration Inc.), 2323-1C (Honeywell Intl Inc Defense Avionics Systems).

What NSN replaces 5990-00-903-8672?

There is 1 known substitute for 5990-00-903-8672: 5940-00-194-4864. Verify interchangeability with system specifications before substitution.

What are the specifications of 2323-1C?

Key specifications for 2323-1C: Rotor DC Resistance in Ohms: 435.00 NOMINAL; Stator Input Voltage Rating in Volts: 90.0 NOMINAL; Pilot Diameter: 0.6100 INCHES MINIMUM AND 0.6300 INCHES MAXIMUM IN; Shaft End Play: 0.0150 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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