PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-S-16892Synchro,transmitter

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5990-00-503-0386 · FSC 5990 · No Item Name Available
Verified by PartsTable
NSN 5990-00-503-0386 — this item is cataloged by the U.S. Government under National Stock Number 5990-00-503-0386. Primary manufacturer part number: MIL-S-16892.
Features
  • Synchro,transmitter — FSC 5990
  • Body Size: 31
  • Second Shoulder Diameter: 2.7500 INCHES NOMINAL IN
  • Flange Diameter: 3.1000 INCHES MAXIMUM IN
  • Second Shoulder Length: 0.3750 INCHES NOMINAL IN
  • Flange Thickness: 0.2500 INCHES NOMINAL IN
  • Shoulder Diameter: 2.7000 INCHES MAXIMUM IN
  • Body Diameter: 2.7000 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 5990-00-503-0386, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5990-00-503-0386
Primary Part NumberMIL-S-16892
Item NameSynchro,transmitter
FSC / FSG5990 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Body Size31
Second Shoulder Diameter2.7500 INCHES NOMINAL IN
Flange Diameter3.1000 INCHES MAXIMUM IN
Second Shoulder Length0.3750 INCHES NOMINAL IN
Flange Thickness0.2500 INCHES NOMINAL IN
Shoulder Diameter2.7000 INCHES MAXIMUM IN
Body Diameter2.7000 INCHES MAXIMUM IN
Pilot Diameter0.3120 INCHES NOMINAL IN
Body StyleSTANDARD ROUND D
Length0.6150 INCHES NOMINAL SHOULDER IN
Pilot Length0.0300 INCHES NOMINAL IN
Aft of First Flange Diameter2.7500 INCHES NOMINAL IN
Frequency in Hertz400.0 NOMINAL
Terminal LocationREAR
Maximum Fundamental Null Voltage in Millivolts Per Volt75.00 OUTPUT
Transformation Ratio0.783 STATOR TO ROTOR NOMINAL
Body MaterialSTEEL CORROSION RESISTING
Test Data Document81349-MIL-S-16892 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Maximum Temp Rise60.0 CELSIUS DEGC
Shaft Nominal Thread Size0.250 INCHES SINGLE SHAFT IN
Shaft Thread DirectionRIGHT-HAND SINGLE SHAFT
Actuator Friction Torque at Minus 55 Deg Celsius0.50 INCH-OUNCES MAXIMUM IN
Rotor Input Current Rating1.76 AMPERES MAXIMUM
Torque Gradient Per Angular Deg0.670 INCH-OUNCES MINIMUM IN
Fragility FactorMODERATELY RUGGED
Shaft Thread Series DesignatorUNF SINGLE SHAFT
Rotor Input Electrical Power Rating17.0 WATTS MAXIMUM
Maximum Total Null Voltage Output in Millivolts Per Volt100.00
Shaft Diameter0.2500 INCHES MAXIMUM SINGLE SHAFT IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5990-00-503-4126 INTERCHANGEABLE
Synchro,transmitter
5990-00-538-1237 INTERCHANGEABLE
Synchro,differential Transmitter
5990-00-557-8387 INTERCHANGEABLE
Synchro,receiver
5990-00-843-3615 INTERCHANGEABLE
Synchro,control Transformer
5990-00-898-1393M20708/62-01A INTERCHANGEABLE
Synchro,receiver-Transmitter
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
MIL-S-16892 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
LD273384 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
31TX4A General Dynamics Motion Control Llc (USA)
0S3883TYPE31TX4 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
LD267400 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
121F2A Northrop Grumman Systems Corporation (USA)
LD413194 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
1480407 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
31TX4A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
988651 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
878447 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
10515526 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
31TX4AMK35 General Dynamics Motion Control Llc (USA)
E11360 Northrop Grumman Systems Corporation (USA)
Related Parts
5990-00-503-4126INTERCHANGEABLE
SYNCHRO,TRANSMITTER
5990-00-538-1237INTERCHANGEABLE
SYNCHRO,DIFFERENTIAL TRANSMITTER
5990-00-557-8387INTERCHANGEABLE
SYNCHRO,RECEIVER
5990-00-843-3615INTERCHANGEABLE
SYNCHRO,CONTROL TRANSFORMER
5990-00-898-1393INTERCHANGEABLE
SYNCHRO,RECEIVER-TRANSMITTER
M20708/62-01A

Frequently Asked Questions

What is NSN 5990-00-503-0386?

NSN 5990-00-503-0386 is a Synchro,transmitter, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5990 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5990-00-503-0386?

NSN 5990-00-503-0386 has 14 cross-referenced part numbers: MIL-S-16892 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), LD273384 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 31TX4A (General Dynamics Motion Control Llc), 0S3883TYPE31TX4 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), LD267400 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier) and 9 more.

What NSN replaces 5990-00-503-0386?

There are 5 known substitutes for 5990-00-503-0386: 5990-00-503-4126, 5990-00-538-1237, 5990-00-557-8387 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-S-16892?

Key specifications for MIL-S-16892: Body Size: 31; Second Shoulder Diameter: 2.7500 INCHES NOMINAL IN; Flange Diameter: 3.1000 INCHES MAXIMUM IN; Second Shoulder Length: 0.3750 INCHES NOMINAL IN. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5990-00-503-0386 still in active supply?

NSN 5990-00-503-0386 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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