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Technical Data Sheet
18TR6A ✓ 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 is a the manufacturer industrial component. Key specifications include body_size: 18, shaft_type: SPLINE SINGLE SHAFT, shaft_length: 0.4870 INCHES MINIMUM AND 0.5130 INCHES MAXIMUM SINGLE SHAFT IN, overall_length: 2.5630 INCHES NOMINAL IN, shaft_diameter: 0.1870 INCHES MINIMUM AND 0.1872 INCHES MAXIMUM SINGLE SHAFT IN, flange_diameter: 1.7500 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5990-00-064-4570, 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
18TR6A
NSN: 5990-00-064-4570
FSC: 5990
CAGE: 55972 — HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS (USA)
SPECIFICATIONS
body_size18
shaft_typeSPLINE SINGLE SHAFT
shaft_length0.4870 INCHES MINIMUM AND 0.5130 INCHES MAXIMUM SINGLE SHAFT IN
overall_length2.5630 INCHES NOMINAL IN
shaft_diameter0.1870 INCHES MINIMUM AND 0.1872 INCHES MAXIMUM SINGLE SHAFT IN
flange_diameter1.7500 INCHES NOMINAL IN
frequency_in_hertz60.0 NOMINAL
shaft_thread_class2A SINGLE SHAFT A
shaft_thread_length0.2000 INCHES NOMINAL SINGLE SHAFT IN
transformation_ratio0.780 ROTOR TO STATOR NOMINAL
spline_tooth_quantity21 SINGLE SHAFT
shaft_nominal_thread_size0.190 INCHES SINGLE SHAFT IN
NSN5990-00-064-4570
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SYNCHRO,RECEIVER TITLE COMPONENT PN 18TR6A MFR SYNCHRO,RECEIVER
KEY FEATURES
FLANGE DIAMETER: 1.7500 INCHES NOMINAL IN
FREQUENCY IN HERTZ: 800.0 NOMINAL
SPLINE TOOTH QUANTITY: 21 SINGLE SHAFT
ROTOR INPUT CURRENT RATING: 105.0 MILLIAMPERES NOMINAL
SHAFT LENGTH: 0.5400 INCHES NOMINAL SINGLE SHAFT IN
SHAFT TYPE: SPLINE W/THREADS SINGLE SHAFT
SHAFT THREAD SERIES DESIGNATOR: UNF SINGLE SHAFT
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH3.0600 INCHES NOMINAL IN
FLANGE DIAMETER1.7500 INCHES NOMINAL IN
FREQUENCY IN HERTZ800.0 NOMINAL
SPLINE TOOTH QUANTITY21 SINGLE SHAFT
ROTOR INPUT CURRENT RATING105.0 MILLIAMPERES NOMINAL
SHAFT LENGTH0.5400 INCHES NOMINAL SINGLE SHAFT IN
SHAFT TYPESPLINE W/THREADS SINGLE SHAFT
SHAFT THREAD SERIES DESIGNATORUNF SINGLE SHAFT
TERMINAL TYPE AND QUANTITY6 TAB, SOLDER LUG
SHAFT DIAMETER0.1870 INCHES NOMINAL SINGLE SHAFT IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
18TR6AInterchangeable
interchangeable cross-reference
interchangeable
108C1CInterchangeable
interchangeable cross-reference
interchangeable
MILS20708Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18TR6A?
18TR6A is a SYNCHRO,RECEIVER.
What parts can replace 18TR6A?
There are 3 known substitutes for 18TR6A: 18TR6A, 108C1C, MILS20708. Substitute compatibility should be verified for your specific system.
What is the NSN for 18TR6A?
18TR6A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5990-00-064-4570. This indicates validated use in U.S. government and defense supply chains.
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