PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TDH11H3Synchro,differential Transmitter

Moog Inc. · NSN 5990-00-401-4952 · FSC 5990 · No Item Name Available
Verified by PartsTable
NSN 5990-00-401-4952 — this item is cataloged by the U.S. Government under National Stock Number 5990-00-401-4952. Primary manufacturer part number: TDH11H3.
Features
  • Synchro,differential Transmitter — FSC 5990
  • Shaft Slot Width: 0.0250 INCHES NOMINAL SINGLE SHAFT IN
  • Plus J Zso Reactance in Ohms: 76.70 NOMINAL
  • Actuator Friction Torque at Plus 25 Deg Celsius: 4.0 CENTIMETER-GRAMS NOMINAL CM
  • Shaft Diameter: 0.1200 INCHES NOMINAL SINGLE SHAFT IN
  • Body Style: STANDARD ROUND B
  • Pilot Diameter: 0.6250 INCHES NOMINAL IN
  • Shoulder Diameter: 1.0000 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Synchro,differential Transmitter, cataloged under National Stock Number 5990-00-401-4952, 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 Moog Inc.. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5990-00-401-4952
Primary Part NumberTDH11H3
Item NameSynchro,differential Transmitter
FSC / FSG5990 / 59 — No Item Name Available
ManufacturerMoog Inc.
StatusACTIVE
Shaft Slot Width0.0250 INCHES NOMINAL SINGLE SHAFT IN
Plus J Zso Reactance in Ohms76.70 NOMINAL
Actuator Friction Torque at Plus 25 Deg Celsius4.0 CENTIMETER-GRAMS NOMINAL CM
Shaft Diameter0.1200 INCHES NOMINAL SINGLE SHAFT IN
Body StyleSTANDARD ROUND B
Pilot Diameter0.6250 INCHES NOMINAL IN
Shoulder Diameter1.0000 INCHES NOMINAL IN
Flange Thickness0.0930 INCHES NOMINAL IN
Flange Diameter1.0620 INCHES NOMINAL IN
Undercut Width0.0500 INCHES NOMINAL IN
Stator Input Voltage Rating in Volts26.0 NOMINAL
Plus J Zro Reactance in Ohms73.70 NOMINAL
Maximum Total Null Voltage Output in Millivolts Per Volt30.00
Terminal LocationREAR
Plus J Zrs Reactance in Ohms6.80 NOMINAL
Mounting Surface to Terminal End Distance1.6400 INCHES MAXIMUM IN
Shaft Length0.5000 INCHES NOMINAL SINGLE SHAFT IN
Zrs Resistance in Ohms14.00 NOMINAL
Phase Shift Angle in Deg5.000 INPUT TO OUTPUT NOMINAL
Frequency in Hertz400.0 NOMINAL
Actuator Friction Torque at Minus 55 Deg Celsius16.0 CENTIMETER-GRAMS NOMINAL CM
Electrical Error Angular Range in Minutes-12.0 TO 12.0
Zro Resistance in Ohms14.00 NOMINAL
Body MaterialSTEEL CORROSION RESISTING
Terminal Type and Quantity5 WIRE LEAD
Stator Input Current Rating138.0 MILLIAMPERES NOMINAL
Rotor DC Resistance in Ohms10.80 NOMINAL
Shaft TypeROUND, SLOTTED SINGLE SHAFT
Shaft Slot Depth0.0320 INCHES NOMINAL SINGLE SHAFT IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5950-00-824-385710868 INTERCHANGEABLE
Coil,radio Frequency
Vanguard Electronics, Llc
5965-01-073-9081DC-3 INTERCHANGEABLE
Microphone,dynamic
Dcm Soundex Inc
4320-01-188-335314656N18 INTERCHANGEABLE
Sleeve,shaft,pump
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5990-01-222-6196314-990060-806 INTERCHANGEABLE
Synchro,transmitter
Cmc Electronics Inc
5120-01-437-3746TTX8E INTERCHANGEABLE
Screwdriver Attachment,socket Wr
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5950-01-528-512910868 INTERCHANGEABLE
Reactor
Pico Electronics Inc
3950-01-719-272810868 INTERCHANGEABLE
Wear Plate,crane
Allied Systems Company Dba Allied Systems Co
Cross-Reference Index
Part NumberManufacturer
10868 Astronautics Corporation of America (USA)
TDH11E3 Moog Inc. (USA)
TDH11H3 PRIMARY Moog Inc. (USA)
Related Parts
5950-00-824-3857INTERCHANGEABLE
COIL,RADIO FREQUENCY
10868
5965-01-073-9081INTERCHANGEABLE
MICROPHONE,DYNAMIC
DC-3
4320-01-188-3353INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
14656N18
5990-01-222-6196INTERCHANGEABLE
SYNCHRO,TRANSMITTER
314-990060-806
5120-01-437-3746INTERCHANGEABLE
SCREWDRIVER ATTACHMENT,SOCKET WR
TTX8E
5950-01-528-5129INTERCHANGEABLE
REACTOR
10868
3950-01-719-2728INTERCHANGEABLE
WEAR PLATE,CRANE
10868

Frequently Asked Questions

What is NSN 5990-00-401-4952?

NSN 5990-00-401-4952 is a Synchro,differential Transmitter, manufactured by Moog Inc., classified under FSC 5990 (No Item Name Available). Status: active.

What are the part numbers for NSN 5990-00-401-4952?

NSN 5990-00-401-4952 has 3 cross-referenced part numbers: 10868 (Astronautics Corporation of America), TDH11E3 (Moog Inc.), TDH11H3 (Moog Inc.).

What NSN replaces 5990-00-401-4952?

There are 7 known substitutes for 5990-00-401-4952: 5950-00-824-3857, 5965-01-073-9081, 4320-01-188-3353 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of TDH11H3?

Key specifications for TDH11H3: Shaft Slot Width: 0.0250 INCHES NOMINAL SINGLE SHAFT IN; Plus J Zso Reactance in Ohms: 76.70 NOMINAL; Actuator Friction Torque at Plus 25 Deg Celsius: 4.0 CENTIMETER-GRAMS NOMINAL CM; Shaft Diameter: 0.1200 INCHES NOMINAL SINGLE SHAFT 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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