PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11CX4CSynchro,transmitter

Muirhead Aerospace Ltd · NSN 5990-00-819-9949 · FSC 5990 · No Item Name Available
Verified by PartsTable
NSN 5990-00-819-9949 — this item is cataloged by the U.S. Government under National Stock Number 5990-00-819-9949. Primary manufacturer part number: 11CX4C.
Features
  • Synchro,transmitter — FSC 5990
  • Spline Tooth Quantity: 21 SINGLE SHAFT
  • Body Size: 11
  • Rotor Input Voltage Rating in Volts: 90.0 NOMINAL
  • Shaft Diameter: 0.1870 INCHES NOMINAL SINGLE SHAFT IN
  • Terminal Type and Quantity: 6 SCREW
  • Rotor Input Electrical Power Rating: 600.0 MILLIWATTS NOMINAL
  • Shaft Thread Class: 2A SINGLE SHAFT A
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Synchro,transmitter, cataloged under National Stock Number 5990-00-819-9949, 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 Muirhead Aerospace Ltd. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5990-00-819-9949
Primary Part Number11CX4C
Item NameSynchro,transmitter
FSC / FSG5990 / 59 — No Item Name Available
ManufacturerMuirhead Aerospace Ltd
StatusACTIVE
Spline Tooth Quantity21 SINGLE SHAFT
Body Size11
Rotor Input Voltage Rating in Volts90.0 NOMINAL
Shaft Diameter0.1870 INCHES NOMINAL SINGLE SHAFT IN
Terminal Type and Quantity6 SCREW
Rotor Input Electrical Power Rating600.0 MILLIWATTS NOMINAL
Shaft Thread Class2A SINGLE SHAFT A
Shaft Thread Series DesignatorUNF SINGLE SHAFT
Shaft Nominal Thread Size0.1900 INCHES SINGLE SHAFT IN
Rotor Input Current Rating60.0 MILLIAMPERES NOMINAL
Shaft Length0.5550 INCHES NOMINAL SINGLE SHAFT IN
Spline Tooth Diametral Pitch120 SINGLE SHAFT
Nondefinitive Spec/std Data11CX4C TYPE
Frequency in Hertz400.0 NOMINAL
Shaft TypeSPLINE W/THREADS SINGLE SHAFT
Flange Diameter1.0620 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5990-00-206-3753M20708/2-05E INTERCHANGEABLE
Synchro,transmitter
Sae International Dba Sae International
5990-00-477-1362M20708/2-04E INTERCHANGEABLE
Synchro,transmitter
Sae International Dba Sae International
5990-00-677-6457 INTERCHANGEABLE
Synchro,transmitter
5990-00-677-6474 INTERCHANGEABLE
Synchro,control Transformer
5990-00-924-4164M20708/8-01C INTERCHANGEABLE
Synchro,transmitter
Sae International Dba Sae International
5990-00-924-4165M20708/2-01E INTERCHANGEABLE
Synchro,transmitter
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
11CX4C Muirhead Aerospace Ltd (GBR)
352250004956 Thales Nederland (NLD)
MILS20708-2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
VBE921CX4C Thales Nederland (NLD)
11CX4C Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
VBM2-88 Thales Nederland (NLD)
5M7360-980-05 Hensoldt Sensors Gmbh Div Seps (DEU)
11CX4C Saft Ab (SWE)
11CX4C Saft Aktiebolag (SWE)
Related Parts
5990-00-206-3753INTERCHANGEABLE
SYNCHRO,TRANSMITTER
M20708/2-05E
5990-00-477-1362INTERCHANGEABLE
SYNCHRO,TRANSMITTER
M20708/2-04E
5990-00-677-6457INTERCHANGEABLE
SYNCHRO,TRANSMITTER
5990-00-677-6474INTERCHANGEABLE
SYNCHRO,CONTROL TRANSFORMER
5990-00-924-4164INTERCHANGEABLE
SYNCHRO,TRANSMITTER
M20708/8-01C
5990-00-924-4165INTERCHANGEABLE
SYNCHRO,TRANSMITTER
M20708/2-01E

Frequently Asked Questions

What is NSN 5990-00-819-9949?

NSN 5990-00-819-9949 is a Synchro,transmitter, manufactured by Muirhead Aerospace Ltd, classified under FSC 5990 (No Item Name Available). Status: active.

What are the part numbers for NSN 5990-00-819-9949?

NSN 5990-00-819-9949 has 9 cross-referenced part numbers: 11CX4C (Muirhead Aerospace Ltd), 352250004956 (Thales Nederland), MILS20708-2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), VBE921CX4C (Thales Nederland), 11CX4C (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 4 more.

What NSN replaces 5990-00-819-9949?

There are 6 known substitutes for 5990-00-819-9949: 5990-00-206-3753, 5990-00-477-1362, 5990-00-677-6457 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11CX4C?

Key specifications for 11CX4C: Spline Tooth Quantity: 21 SINGLE SHAFT; Body Size: 11; Rotor Input Voltage Rating in Volts: 90.0 NOMINAL; Shaft Diameter: 0.1870 INCHES NOMINAL SINGLE SHAFT IN. 17 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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