PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15CX4BSynchro,transmitter

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5990-00-733-2342 · FSC 5990 · No Item Name Available
Verified by PartsTable
NSN 5990-00-733-2342 — this item is cataloged by the U.S. Government under National Stock Number 5990-00-733-2342. Primary manufacturer part number: 15CX4B.
Features
  • Synchro,transmitter — FSC 5990
  • Shaft Length: 0.5550 INCHES NOMINAL SINGLE SHAFT IN
  • Terminal Type and Quantity: 5 SCREW
  • Nondefinitive Spec/std Data: 15CX4B TYPE
  • Shaft Thread Class: 2A SINGLE SHAFT A
  • Shaft Thread Series Designator: UNF SINGLE SHAFT
  • Shaft Nominal Thread Size: 0.1900 INCHES SINGLE SHAFT IN
  • Frequency in Hertz: 400.0 NOMINAL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Synchro,transmitter, cataloged under National Stock Number 5990-00-733-2342, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5990-00-733-2342
Primary Part Number15CX4B
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 Length0.5550 INCHES NOMINAL SINGLE SHAFT IN
Terminal Type and Quantity5 SCREW
Nondefinitive Spec/std Data15CX4B TYPE
Shaft Thread Class2A SINGLE SHAFT A
Shaft Thread Series DesignatorUNF SINGLE SHAFT
Shaft Nominal Thread Size0.1900 INCHES SINGLE SHAFT IN
Frequency in Hertz400.0 NOMINAL
Shaft Thread Length0.2000 INCHES NOMINAL SINGLE SHAFT IN
Shaft TypeROUND, THREADED SINGLE SHAFT
Shaft Diameter0.1870 INCHES NOMINAL SINGLE SHAFT IN
Rotor Input Voltage Rating in Volts115.0 NOMINAL
Body Size15
Flange Diameter1.4370 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5990-00-378-1449 INTERCHANGEABLE
Synchro,differential Transmitter
5990-00-677-6468 INTERCHANGEABLE
Synchro,transmitter
5990-00-905-1836M20708/14-01D INTERCHANGEABLE
Synchro,transmitter
Sae International Dba Sae International
5990-01-305-7228M20708/14-02D INTERCHANGEABLE
Synchro,transmitter
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
15CX4B Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILS20708-14 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5990-00-378-1449INTERCHANGEABLE
SYNCHRO,DIFFERENTIAL TRANSMITTER
5990-00-677-6468INTERCHANGEABLE
SYNCHRO,TRANSMITTER
5990-00-905-1836INTERCHANGEABLE
SYNCHRO,TRANSMITTER
M20708/14-01D
5990-01-305-7228INTERCHANGEABLE
SYNCHRO,TRANSMITTER
M20708/14-02D

Frequently Asked Questions

What is NSN 5990-00-733-2342?

NSN 5990-00-733-2342 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 5990-00-733-2342?

NSN 5990-00-733-2342 has 2 cross-referenced part numbers: 15CX4B (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILS20708-14 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5990-00-733-2342?

There are 4 known substitutes for 5990-00-733-2342: 5990-00-378-1449, 5990-00-677-6468, 5990-00-905-1836 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 15CX4B?

Key specifications for 15CX4B: Overall Length: 1.6400 INCHES NOMINAL IN; Shaft Length: 0.5550 INCHES NOMINAL SINGLE SHAFT IN; Terminal Type and Quantity: 5 SCREW; Nondefinitive Spec/std Data: 15CX4B TYPE. 14 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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