PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M20708/52-01DSynchro,transmitter

Sae International Dba Sae International · NSN 5990-00-852-2363 · FSC 5990 · No Item Name Available
Verified by PartsTable
NSN 5990-00-852-2363 — this item is cataloged by the U.S. Government under National Stock Number 5990-00-852-2363. Primary manufacturer part number: M20708/52-01D.
Features
  • Synchro,transmitter — FSC 5990
  • Shaft Thread Class: 2A SINGLE SHAFT A
  • Shaft Nominal Thread Size: 0.250 INCHES SINGLE SHAFT IN
  • Body Material: STEEL CORROSION RESISTING
  • Shaft Thread Length: 0.2900 INCHES NOMINAL SINGLE SHAFT IN
  • Shoulder Diameter: 1.9850 INCHES MINIMUM AND 1.9900 INCHES MAXIMUM IN
  • Pilot Diameter: 0.5950 INCHES NOMINAL IN
  • Second Shoulder Length: 0.1700 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 5990-00-852-2363, 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 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5990-00-852-2363
Primary Part NumberM20708/52-01D
Item NameSynchro,transmitter
FSC / FSG5990 / 59 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusCANCELLED
Shaft Thread Class2A SINGLE SHAFT A
Shaft Nominal Thread Size0.250 INCHES SINGLE SHAFT IN
Body MaterialSTEEL CORROSION RESISTING
Shaft Thread Length0.2900 INCHES NOMINAL SINGLE SHAFT IN
Shoulder Diameter1.9850 INCHES MINIMUM AND 1.9900 INCHES MAXIMUM IN
Pilot Diameter0.5950 INCHES NOMINAL IN
Second Shoulder Length0.1700 INCHES NOMINAL IN
Body Diameter1.9900 INCHES MAXIMUM IN
Body StyleSTANDARD ROUND D
Second Shoulder Diameter1.9985 INCHES MINIMUM AND 1.9995 INCHES MAXIMUM IN
Flange Diameter2.2490 INCHES MINIMUM AND 2.2500 INCHES MAXIMUM IN
Length0.1500 INCHES NOMINAL SHOULDER IN
Flange Thickness0.2500 INCHES NOMINAL IN
Mounting Surface to Terminal End Distance3.5800 INCHES NOMINAL IN
Shaft Thread DirectionRIGHT-HAND SINGLE SHAFT
Spline Tooth Diametral Pitch96 SINGLE SHAFT
Phase Shift Angle in Deg6.500 INPUT TO OUTPUT NOMINAL
Spline Tooth Quantity22 SINGLE SHAFT
Zss Impedance Angle in Deg10.00 MINIMUM AND 15.00 MAXIMUM
Aft of First Flange Diameter1.9985 INCHES MINIMUM AND 1.9995 INCHES MAXIMUM IN
Maximum Temp Rise20.0 CELSIUS DEGC
Rotor Input Electrical Power Rating1.4 WATTS NOMINAL
Maximum Fundamental Null Voltage in Millivolts Per Volt30.00 OUTPUT
Fragility FactorMODERATELY RUGGED
Body Size23
Torque Gradient Per Angular Deg0.200 INCH-OUNCES MAXIMUM IN
Terminal Type and Quantity5 SCREW
Transformation Ratio0.783 ROTOR TO STATOR NOMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5990-00-501-4991 INTERCHANGEABLE
Synchro,transmitter
5990-00-677-6495 INTERCHANGEABLE
Synchro,transmitter
5990-00-851-2793 INTERCHANGEABLE
Synchro,differential Transmitter
Cross-Reference Index
Part NumberManufacturer
SAE-AS20708/52 Sae International Dba Sae International (USA)
23CX6 Abacus Electronics Corp (USA)
VCX23/36-6B General Dynamics Motion Control Llc (USA)
AS20708/52 Sae Customer Service Dept 2045 (USA)
397-001-024 L3harris Interstate Electronics Corporation (USA)
23CX6D Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M20708/52-01D Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M20708/52C-001 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M20708/52-001 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AY240BA 9 A1 Honeywell Intl Inc Defense Avionics Systems (USA)
MIL-S-20708/52 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M20708/52-01D General Dynamics Motion Control Llc (USA)
M20708/52-01D PRIMARY Sae International Dba Sae International (USA)
Related Parts
5990-00-501-4991INTERCHANGEABLE
SYNCHRO,TRANSMITTER
5990-00-677-6495INTERCHANGEABLE
SYNCHRO,TRANSMITTER
5990-00-851-2793INTERCHANGEABLE
SYNCHRO,DIFFERENTIAL TRANSMITTER

Frequently Asked Questions

What is NSN 5990-00-852-2363?

NSN 5990-00-852-2363 is a Synchro,transmitter, manufactured by Sae International Dba Sae International, classified under FSC 5990 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5990-00-852-2363?

NSN 5990-00-852-2363 has 13 cross-referenced part numbers: SAE-AS20708/52 (Sae International Dba Sae International), 23CX6 (Abacus Electronics Corp), VCX23/36-6B (General Dynamics Motion Control Llc), AS20708/52 (Sae Customer Service Dept 2045), 397-001-024 (L3harris Interstate Electronics Corporation) and 8 more.

What NSN replaces 5990-00-852-2363?

There are 3 known substitutes for 5990-00-852-2363: 5990-00-501-4991, 5990-00-677-6495, 5990-00-851-2793. Verify interchangeability with system specifications before substitution.

What are the specifications of M20708/52-01D?

Key specifications for M20708/52-01D: Shaft Thread Class: 2A SINGLE SHAFT A; Shaft Nominal Thread Size: 0.250 INCHES SINGLE SHAFT IN; Body Material: STEEL CORROSION RESISTING; Shaft Thread Length: 0.2900 INCHES NOMINAL SINGLE SHAFT IN. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5990-00-852-2363 still in active supply?

NSN 5990-00-852-2363 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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