PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11CX4BSynchro,transmitter

Kearfott Corporation Div Guidance and Navigation Division · NSN 5990-00-683-0844 · FSC 5990 · No Item Name Available
Verified by PartsTable
NSN 5990-00-683-0844 — this item is cataloged by the U.S. Government under National Stock Number 5990-00-683-0844. Primary manufacturer part number: 11CX4B.
Features
  • Synchro,transmitter — FSC 5990
  • Rotor Input Current Rating: 31.0 MILLIAMPERES NOMINAL
  • Shaft Diameter: 0.1872 INCHES NOMINAL SINGLE SHAFT IN
  • Nondefinitive Spec/std Data: 11CX4B TYPE
  • Shaft Thread Length: 0.2680 INCHES NOMINAL SINGLE SHAFT IN
  • Rotor Input Voltage Rating in Volts: 115.0 NOMINAL
  • Shaft Thread Direction: RIGHT-HAND SINGLE SHAFT
  • Body Size: 11
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Synchro,transmitter, cataloged under National Stock Number 5990-00-683-0844, 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 Kearfott Corporation Div Guidance and Navigation Division. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 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
NSN5990-00-683-0844
Primary Part Number11CX4B
Item NameSynchro,transmitter
FSC / FSG5990 / 59 — No Item Name Available
ManufacturerKearfott Corporation Div Guidance and Navigation Division
StatusCANCELLED
Rotor Input Current Rating31.0 MILLIAMPERES NOMINAL
Shaft Diameter0.1872 INCHES NOMINAL SINGLE SHAFT IN
Nondefinitive Spec/std Data11CX4B TYPE
Shaft Thread Length0.2680 INCHES NOMINAL SINGLE SHAFT IN
Rotor Input Voltage Rating in Volts115.0 NOMINAL
Shaft Thread DirectionRIGHT-HAND SINGLE SHAFT
Body Size11
Frequency in Hertz400.0 NOMINAL
Rotor Input Electrical Power Rating650.0 MILLIWATTS NOMINAL
Shaft TypeROUND SINGLE SHAFT
Fragility FactorMODERATELY RUGGED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
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
5990-00-912-9166400491 INTERCHANGEABLE
Synchro,transmitter
Aimtron Systems, Llc
5990-00-924-4165M20708/2-01E INTERCHANGEABLE
Synchro,transmitter
Sae International Dba Sae International
5990-01-032-0710M20708/6-02C INTERCHANGEABLE
Synchro,transmitter
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
030313BL27 B.v. Nederlandse Instrumenten Compagnie 'nedinsco' (NLD)
11CX4B Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
1359455 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
1359455 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
11CX4B Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
11CX4B PRIMARY Kearfott Corporation Div Guidance and Navigation Division (USA)
11CX4E Kearfott Corporation Div Guidance and Navigation Division (USA)
CR90913005 Kearfott Corporation Div Guidance and Navigation Division (USA)
Related Parts
5990-00-206-3753INTERCHANGEABLE
SYNCHRO,TRANSMITTER
M20708/2-05E
5990-00-477-1362INTERCHANGEABLE
SYNCHRO,TRANSMITTER
M20708/2-04E
5990-00-912-9166INTERCHANGEABLE
SYNCHRO,TRANSMITTER
400491
5990-00-924-4165INTERCHANGEABLE
SYNCHRO,TRANSMITTER
M20708/2-01E
5990-01-032-0710INTERCHANGEABLE
SYNCHRO,TRANSMITTER
M20708/6-02C

Frequently Asked Questions

What is NSN 5990-00-683-0844?

NSN 5990-00-683-0844 is a Synchro,transmitter, manufactured by Kearfott Corporation Div Guidance and Navigation Division, classified under FSC 5990 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5990-00-683-0844?

NSN 5990-00-683-0844 has 8 cross-referenced part numbers: 030313BL27 (B.v. Nederlandse Instrumenten Compagnie 'nedinsco'), 11CX4B (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 1359455 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 1359455 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 11CX4B (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier) and 3 more.

What NSN replaces 5990-00-683-0844?

There are 5 known substitutes for 5990-00-683-0844: 5990-00-206-3753, 5990-00-477-1362, 5990-00-912-9166 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11CX4B?

Key specifications for 11CX4B: Overall Length: 1.7100 INCHES NOMINAL IN; Rotor Input Current Rating: 31.0 MILLIAMPERES NOMINAL; Shaft Diameter: 0.1872 INCHES NOMINAL SINGLE SHAFT IN; Nondefinitive Spec/std Data: 11CX4B TYPE. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5990-00-683-0844 still in active supply?

NSN 5990-00-683-0844 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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