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PartsTable / COMPONENT / 31TX4A
31TX4A ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The SYNCHRO,RECEIVER-TRANSMITTER is a the manufacturer industrial component. Key specifications include length: 0.5950 INCHES NOMINAL SHOULDER IN, material: STEEL CORROSION RESISTING BODY, body_size: 31, body_style: STANDARD ROUND D, shaft_type: SPLINE W/THREADS SINGLE SHAFT, pilot_length: 0.0300 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5990-00-503-0386, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
31TX4A
NSN: 5990-00-503-0386
FSC: 5990
CAGE: 10112 — GENERAL DYNAMICS MOTION CONTROL LLC (USA)
SPECIFICATIONS
length0.5950 INCHES NOMINAL SHOULDER IN
materialSTEEL CORROSION RESISTING BODY
body_size31
body_styleSTANDARD ROUND D
shaft_typeSPLINE W/THREADS SINGLE SHAFT
pilot_length0.0300 INCHES NOMINAL IN
shaft_length0.7300 INCHES NOMINAL SINGLE SHAFT IN
body_diameter2.7000 INCHES MAXIMUM IN
body_materialSTEEL CORROSION RESISTING
overall_length5.1000 INCHES NOMINAL IN
pilot_diameter0.3000 INCHES NOMINAL IN
shaft_diameter0.2403 INCHES MINIMUM AND 0.2405 INCHES MAXIMUM SINGLE SHAFT IN
NSN5990-00-503-0386
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SYNCHRO,RECEIVER-TRANSMITTER TITLE COMPONENT PN 31TX4A MFR SYNCHRO,RECEIVER-TRANS
KEY FEATURES
•
BODY SIZE: 31
•
SECOND SHOULDER DIAMETER: 2.7500 INCHES NOMINAL IN
•
FLANGE DIAMETER: 3.1000 INCHES MAXIMUM IN
•
SECOND SHOULDER LENGTH: 0.3750 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.2500 INCHES NOMINAL IN
•
SHOULDER DIAMETER: 2.7000 INCHES MAXIMUM IN
•
BODY DIAMETER: 2.7000 INCHES MAXIMUM IN
•
PILOT DIAMETER: 0.3120 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY SIZE31
SECOND SHOULDER DIAMETER2.7500 INCHES NOMINAL IN
FLANGE DIAMETER3.1000 INCHES MAXIMUM IN
SECOND SHOULDER LENGTH0.3750 INCHES NOMINAL IN
FLANGE THICKNESS0.2500 INCHES NOMINAL IN
SHOULDER DIAMETER2.7000 INCHES MAXIMUM IN
BODY DIAMETER2.7000 INCHES MAXIMUM IN
PILOT DIAMETER0.3120 INCHES NOMINAL IN
OVERALL LENGTH5.2000 INCHES MAXIMUM IN
BODY STYLESTANDARD ROUND D
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
VTX23/36-4AInterchangeable
interchangeable cross-reference
interchangeable
23TX4Interchangeable
interchangeable cross-reference
interchangeable
113F2AInterchangeable
interchangeable cross-reference
interchangeable
1590102Interchangeable
interchangeable cross-reference
interchangeable
MILS16892Interchangeable
interchangeable cross-reference
interchangeable
31TXD6AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31TX4A?
31TX4A is a SYNCHRO,RECEIVER-TRANSMITTER.
What parts can replace 31TX4A?
There are 20 known substitutes for 31TX4A: VTX23/36-4A, 23TX4, 113F2A and 17 more. Substitute compatibility should be verified for your specific system.
Is 31TX4A still available?
31TX4A is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026