PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILS12472Synchro,transmitter

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5990-00-501-2017 · FSC 5990 · No Item Name Available
Verified by PartsTable
NSN 5990-00-501-2017 — this item is cataloged by the U.S. Government under National Stock Number 5990-00-501-2017. Primary manufacturer part number: MILS12472.
Features
  • Synchro,transmitter — FSC 5990
  • Shaft Diameter: 0.2401 INCHES MINIMUM AND 0.2405 INCHES MAXIMUM SINGLE SHAFT IN
  • Flange Thickness: 0.0930 INCHES NOMINAL IN
  • Undercut Width: 0.0780 INCHES NOMINAL IN
  • Shoulder Diameter: 1.6250 INCHES NOMINAL IN
  • Flange Diameter: 1.7500 INCHES NOMINAL IN
  • Body Style: STANDARD ROUND B
  • Pilot Diameter: 0.9375 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Synchro,transmitter, cataloged under National Stock Number 5990-00-501-2017, 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 6 commercial cross-references from 2 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
NSN5990-00-501-2017
Primary Part NumberMILS12472
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
StatusACTIVE
Shaft Diameter0.2401 INCHES MINIMUM AND 0.2405 INCHES MAXIMUM SINGLE SHAFT IN
Flange Thickness0.0930 INCHES NOMINAL IN
Undercut Width0.0780 INCHES NOMINAL IN
Shoulder Diameter1.6250 INCHES NOMINAL IN
Flange Diameter1.7500 INCHES NOMINAL IN
Body StyleSTANDARD ROUND B
Pilot Diameter0.9375 INCHES NOMINAL IN
Shaft Thread Series DesignatorUNF SINGLE SHAFT
Rotor Input Current Rating420.0 MILLIAMPERES NOMINAL
Alignment Hole Quantity4
Length0.0930 INCHES NOMINAL SHOULDER IN
Spline Tooth Quantity22 SINGLE SHAFT
Rotor Input Voltage Rating in Volts115.0 NOMINAL
Frequency in Hertz60.0 NOMINAL
Terminal Type and Quantity5 SCREW
Torque Gradient Per Angular Deg0.330 INCH-OUNCES NOMINAL IN
Transformation Ratio0.783 ROTOR TO STATOR NOMINAL
Nondefinitive Spec/std Data31TX6 TYPE
Mounting Surface to Terminal End Distance3.9300 INCHES MAXIMUM IN
Shaft TypeSPLINE W/THREADS SINGLE SHAFT
Body Size18
Shaft Thread Length0.2670 INCHES NOMINAL SINGLE SHAFT IN
Spline Tooth Diametral Pitch96 SINGLE SHAFT
Alignment Hole Depth0.1250 INCHES MINIMUM IN
Shaft Thread Class2A SINGLE SHAFT A
Terminal LocationREAR
Shaft Length0.6760 INCHES NOMINAL SINGLE SHAFT IN
Shaft Nominal Thread Size0.250 INCHES SINGLE SHAFT IN
Body MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5990-00-501-4991 INTERCHANGEABLE
Synchro,transmitter
Cross-Reference Index
Part NumberManufacturer
MILS12472 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
31T6 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
LD267402 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
1576671 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
1380819 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
988652 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5990-00-501-4991INTERCHANGEABLE
SYNCHRO,TRANSMITTER

Frequently Asked Questions

What is NSN 5990-00-501-2017?

NSN 5990-00-501-2017 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: active.

What are the part numbers for NSN 5990-00-501-2017?

NSN 5990-00-501-2017 has 6 cross-referenced part numbers: MILS12472 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 31T6 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), LD267402 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 1576671 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 1380819 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier) and 1 more.

What NSN replaces 5990-00-501-2017?

There is 1 known substitute for 5990-00-501-2017: 5990-00-501-4991. Verify interchangeability with system specifications before substitution.

What are the specifications of MILS12472?

Key specifications for MILS12472: Shaft Diameter: 0.2401 INCHES MINIMUM AND 0.2405 INCHES MAXIMUM SINGLE SHAFT IN; Flange Thickness: 0.0930 INCHES NOMINAL IN; Undercut Width: 0.0780 INCHES NOMINAL IN; Shoulder Diameter: 1.6250 INCHES NOMINAL IN. 30 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com