PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8212789Synchro,control Transformer

Sae International Dba Sae International · NSN 5990-00-813-1820 · FSC 5990 · No Item Name Available
Verified by PartsTable
NSN 5990-00-813-1820 — this item is cataloged by the U.S. Government under National Stock Number 5990-00-813-1820. Primary manufacturer part number: 8212789.
Features
  • Synchro,control Transformer — FSC 5990
  • Spline Tooth Quantity: 22 SINGLE SHAFT
  • Frequency in Hertz: 60.0 NOMINAL
  • Shaft Diameter: 0.2500 INCHES NOMINAL SINGLE SHAFT IN
  • Shaft Thread Direction: RIGHT-HAND SINGLE SHAFT
  • Stator Input Electrical Power Rating: 600.0 MILLIWATTS NOMINAL
  • Fragility Factor: MODERATELY RUGGED
  • Stator Input Voltage Rating in Volts: 90.0 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 5990-00-813-1820, 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 Sae International Dba Sae International. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 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
NSN5990-00-813-1820
Primary Part Number8212789
Item NameSynchro,control Transformer
FSC / FSG5990 / 59 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusCANCELLED
Spline Tooth Quantity22 SINGLE SHAFT
Frequency in Hertz60.0 NOMINAL
Shaft Diameter0.2500 INCHES NOMINAL SINGLE SHAFT IN
Shaft Thread DirectionRIGHT-HAND SINGLE SHAFT
Stator Input Electrical Power Rating600.0 MILLIWATTS NOMINAL
Fragility FactorMODERATELY RUGGED
Stator Input Voltage Rating in Volts90.0 NOMINAL
Terminal Type and Quantity7 SCREW
Spline Tooth Diametral Pitch96 SINGLE SHAFT
Body Size23
Stator Input Current Rating22.0 MILLIAMPERES NOMINAL
Shaft Thread Length0.2670 INCHES NOMINAL SINGLE SHAFT IN
Shaft Thread Class3A SINGLE SHAFT A
Transformation Ratio0.735 ROTOR TO STATOR NOMINAL
Shaft TypeSPLINE W/THREADS SINGLE SHAFT
Shaft Nominal Thread Size0.250 INCHES SINGLE SHAFT IN
Flange Diameter2.2500 INCHES NOMINAL IN
Shaft Thread Series DesignatorUNF SINGLE SHAFT
Shaft Length0.7190 INCHES NOMINAL SINGLE SHAFT IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5990-00-538-4032 INTERCHANGEABLE
Synchro,control Transformer
5990-00-553-67118212778 INTERCHANGEABLE
Synchro,transmitter
Sae International Dba Sae International
5990-00-636-41117674819 INTERCHANGEABLE
Synchro,receiver
Sae International Dba Sae International
5990-00-636-41197676906 INTERCHANGEABLE
Synchro,transmitter
Sae International Dba Sae International
5990-00-644-00968212797 INTERCHANGEABLE
Synchro,differential Transmitter
Sae International Dba Sae International
5990-00-644-0101 INTERCHANGEABLE
Synchro,differential Transmitter
5990-00-644-01028212786 INTERCHANGEABLE
Synchro,differential Transmitter
Sae International Dba Sae International
5990-00-644-01207674821 INTERCHANGEABLE
Synchro,control Transformer
Sae International Dba Sae International
5990-00-644-01238212775 INTERCHANGEABLE
Synchro,control Transformer
Sae International Dba Sae International
5990-00-756-2555 INTERCHANGEABLE
Synchro,transmitter
Cross-Reference Index
Part NumberManufacturer
315-1127P6 Raytheon Co Equipment Development Lab (USA)
VCT23/36-6B General Dynamics Motion Control Llc (USA)
8212789 PRIMARY Sae International Dba Sae International (USA)
SAE-AS20708/94 Sae International Dba Sae International (USA)
23CT6A Northrop Grumman Systems Corporation (USA)
AY240BA 10 A1 Honeywell Intl Inc Defense Avionics Systems (USA)
MIL-S20708/94 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
23CT6A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS51080-4 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5990-00-538-4032INTERCHANGEABLE
SYNCHRO,CONTROL TRANSFORMER
5990-00-553-6711INTERCHANGEABLE
SYNCHRO,TRANSMITTER
8212778
5990-00-636-4111INTERCHANGEABLE
SYNCHRO,RECEIVER
7674819
5990-00-636-4119INTERCHANGEABLE
SYNCHRO,TRANSMITTER
7676906
5990-00-644-0096INTERCHANGEABLE
SYNCHRO,DIFFERENTIAL TRANSMITTER
8212797
5990-00-644-0101INTERCHANGEABLE
SYNCHRO,DIFFERENTIAL TRANSMITTER
5990-00-644-0102INTERCHANGEABLE
SYNCHRO,DIFFERENTIAL TRANSMITTER
8212786
5990-00-644-0120INTERCHANGEABLE
SYNCHRO,CONTROL TRANSFORMER
7674821
5990-00-644-0123INTERCHANGEABLE
SYNCHRO,CONTROL TRANSFORMER
8212775
5990-00-756-2555INTERCHANGEABLE
SYNCHRO,TRANSMITTER
5990-00-811-5227INTERCHANGEABLE
SYNCHRO,DIFFERENTIAL TRANSMITTER
8212772
5990-00-822-5451INTERCHANGEABLE
SYNCHRO,RECEIVER
8212766

Frequently Asked Questions

What is NSN 5990-00-813-1820?

NSN 5990-00-813-1820 is a Synchro,control Transformer, manufactured by Sae International Dba Sae International, classified under FSC 5990 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5990-00-813-1820?

NSN 5990-00-813-1820 has 9 cross-referenced part numbers: 315-1127P6 (Raytheon Co Equipment Development Lab), VCT23/36-6B (General Dynamics Motion Control Llc), 8212789 (Sae International Dba Sae International), SAE-AS20708/94 (Sae International Dba Sae International), 23CT6A (Northrop Grumman Systems Corporation) and 4 more.

What NSN replaces 5990-00-813-1820?

There are 12 known substitutes for 5990-00-813-1820: 5990-00-538-4032, 5990-00-553-6711, 5990-00-636-4111 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8212789?

Key specifications for 8212789: Spline Tooth Quantity: 22 SINGLE SHAFT; Frequency in Hertz: 60.0 NOMINAL; Shaft Diameter: 0.2500 INCHES NOMINAL SINGLE SHAFT IN; Shaft Thread Direction: RIGHT-HAND SINGLE SHAFT. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5990-00-813-1820 still in active supply?

NSN 5990-00-813-1820 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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