PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8212778Synchro,transmitter

Sae International Dba Sae International · NSN 5990-00-553-6711 · FSC 5990 · No Item Name Available
Verified by PartsTable
NSN 5990-00-553-6711 — this item is cataloged by the U.S. Government under National Stock Number 5990-00-553-6711. Primary manufacturer part number: 8212778.
Features
  • Synchro,transmitter — FSC 5990
  • Second Shoulder Length: 0.1670 INCHES MINIMUM AND 0.1700 INCHES MAXIMUM IN
  • Second Shoulder Diameter: 1.9985 INCHES MINIMUM AND 1.9995 INCHES MAXIMUM IN
  • Shoulder Diameter: 1.9850 INCHES MINIMUM AND 1.9900 INCHES MAXIMUM IN
  • Flange Thickness: 0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
  • Pilot Diameter: 0.5900 INCHES MINIMUM AND 0.6000 INCHES MAXIMUM IN
  • Body Style: STANDARD ROUND D
  • Body Diameter: 1.9900 INCHES MINIMUM AND 1.9950 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 5990-00-553-6711, 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 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5990-00-553-6711
Primary Part Number8212778
Item NameSynchro,transmitter
FSC / FSG5990 / 59 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusACTIVE
Second Shoulder Length0.1670 INCHES MINIMUM AND 0.1700 INCHES MAXIMUM IN
Second Shoulder Diameter1.9985 INCHES MINIMUM AND 1.9995 INCHES MAXIMUM IN
Shoulder Diameter1.9850 INCHES MINIMUM AND 1.9900 INCHES MAXIMUM IN
Flange Thickness0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
Pilot Diameter0.5900 INCHES MINIMUM AND 0.6000 INCHES MAXIMUM IN
Body StyleSTANDARD ROUND D
Body Diameter1.9900 INCHES MINIMUM AND 1.9950 INCHES MAXIMUM IN
Flange Diameter2.2490 INCHES MINIMUM AND 2.2500 INCHES MAXIMUM IN
Shaft Nominal Thread Size0.250 INCHES SINGLE SHAFT IN
Rotor Input Electrical Power Rating5.0 WATTS NOMINAL
Spline Tooth Diametral Pitch96 SINGLE SHAFT
Maximum Total Null Voltage Output in Millivolts Per Volt125.00
Aft of First Flange Diameter1.9985 INCHES MINIMUM AND 1.9995 INCHES MAXIMUM IN
Rotor Input Voltage Rating in Volts115.0 NOMINAL
Terminal LocationREAR
Length0.2410 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM SHOULDER IN
Frequency in Hertz60.0 NOMINAL
Shaft Diameter0.2402 INCHES MINIMUM AND 0.2405 INCHES MAXIMUM SINGLE SHAFT IN
Zso Resistance in Ohms98.00 NOMINAL
Plus J Zso-90 Reactance in Ohms90.00 NOMINAL
Actuator Friction Torque at Minus 55 Deg Celsius0.50 INCH-OUNCES MAXIMUM IN
Shaft TypeSPLINE W/THREADS SINGLE SHAFT
Maximum Temp Rise65.0 CELSIUS DEGC
Body Size23
Actuator Friction Torque at Plus 25 Deg Celsius0.20 INCH-OUNCES MAXIMUM IN
Mounting Surface to Terminal End Distance3.4450 INCHES MAXIMUM IN
Rotor Input Current Rating210.0 MILLIAMPERES NOMINAL
Transformation Ratio0.783 ROTOR TO STATOR NOMINAL
Torque Gradient Per Angular Deg0.130 INCH-OUNCES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5990-00-519-3421 INTERCHANGEABLE
Synchro,transmitter
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
5990-00-811-52278212772 INTERCHANGEABLE
Synchro,differential Transmitter
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
AY240BA12A1 Honeywell Intl Inc Defense Avionics Systems (USA)
23TX6A General Dynamics Motion Control Llc (USA)
23TX6A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
VTX23/36-6B General Dynamics Motion Control Llc (USA)
SAE-AS20708/94 Sae International Dba Sae International (USA)
MIL-S-20708/94 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
8212778 PRIMARY Sae International Dba Sae International (USA)
Related Parts
5990-00-519-3421INTERCHANGEABLE
SYNCHRO,TRANSMITTER
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
5990-00-813-1820INTERCHANGEABLE
SYNCHRO,CONTROL TRANSFORMER
8212789
5990-00-822-5451INTERCHANGEABLE
SYNCHRO,RECEIVER
8212766

Frequently Asked Questions

What is NSN 5990-00-553-6711?

NSN 5990-00-553-6711 is a Synchro,transmitter, manufactured by Sae International Dba Sae International, classified under FSC 5990 (No Item Name Available). Status: active.

What are the part numbers for NSN 5990-00-553-6711?

NSN 5990-00-553-6711 has 7 cross-referenced part numbers: AY240BA12A1 (Honeywell Intl Inc Defense Avionics Systems), 23TX6A (General Dynamics Motion Control Llc), 23TX6A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), VTX23/36-6B (General Dynamics Motion Control Llc), SAE-AS20708/94 (Sae International Dba Sae International) and 2 more.

What NSN replaces 5990-00-553-6711?

There are 12 known substitutes for 5990-00-553-6711: 5990-00-519-3421, 5990-00-636-4111, 5990-00-636-4119 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8212778?

Key specifications for 8212778: Second Shoulder Length: 0.1670 INCHES MINIMUM AND 0.1700 INCHES MAXIMUM IN; Second Shoulder Diameter: 1.9985 INCHES MINIMUM AND 1.9995 INCHES MAXIMUM IN; Shoulder Diameter: 1.9850 INCHES MINIMUM AND 1.9900 INCHES MAXIMUM IN; Flange Thickness: 0.2490 INCHES MINIMUM AND 0.2500 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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