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8212778 ✓ 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: 0.2500 INCHES NOMINAL SHOULDER IN, material: STEEL, body_size: 23, body_style: STANDARD ROUND D, shaft_type: SPLINE W/THREADS SINGLE SHAFT, pilot_length: 0.0430 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 5990-00-519-3421, 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
8212778
NSN: 5990-00-519-3421
FSC: 5990
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
length0.2500 INCHES NOMINAL SHOULDER IN
materialSTEEL
body_size23
body_styleSTANDARD ROUND D
shaft_typeSPLINE W/THREADS SINGLE SHAFT
pilot_length0.0430 INCHES NOMINAL IN
shaft_length0.7190 INCHES NOMINAL SINGLE SHAFT IN
body_diameter1.9900 INCHES MAXIMUM IN
body_materialSTEEL CORROSION RESISTING
end_similarityNOT IDENTICAL
overall_length4.2990 INCHES NOMINAL IN
pilot_diameter0.5950 INCHES NOMINAL IN
NSN5990-00-519-3421
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SYNCHRO,RECEIVER-TRANSMITTER TITLE COMPONENT PN 8212778 MFR SYNCHRO,RECEIVER-TRANS
KEY FEATURES
•
ROTOR INPUT ELECTRICAL POWER RATING: 5.0 WATTS NOMINAL
•
SHAFT NOMINAL THREAD SIZE: 0.250 INCHES SINGLE SHAFT IN
•
SPLINE TOOTH DIAMETRAL PITCH: 96 SINGLE SHAFT
•
ROTOR INPUT CURRENT RATING: 210.0 MILLIAMPERES NOMINAL
•
TEST DATA DOCUMENT: 81349-MIL-S-12472 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
•
SECOND SHOULDER DIAMETER: 1.9985 INCHES MINIMUM AND 1.9995 INCHES MAXIMUM IN
•
FLANGE DIAMETER: 2.2490 INCHES MINIMUM AND 2.2500 INCHES MAXIMUM IN
•
PILOT DIAMETER: 0.5900 INCHES MINIMUM AND 0.6000 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
ROTOR INPUT ELECTRICAL POWER RATING5.0 WATTS NOMINAL
SHAFT NOMINAL THREAD SIZE0.250 INCHES SINGLE SHAFT IN
SPLINE TOOTH DIAMETRAL PITCH96 SINGLE SHAFT
ROTOR INPUT CURRENT RATING210.0 MILLIAMPERES NOMINAL
TEST DATA DOCUMENT81349-MIL-S-12472 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
SECOND SHOULDER DIAMETER1.9985 INCHES MINIMUM AND 1.9995 INCHES MAXIMUM IN
FLANGE DIAMETER2.2490 INCHES MINIMUM AND 2.2500 INCHES MAXIMUM IN
PILOT DIAMETER0.5900 INCHES MINIMUM AND 0.6000 INCHES MAXIMUM IN
BODY STYLESTANDARD ROUND D
OVERALL LENGTH4.2430 INCHES MINIMUM AND 4.2940 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
AY240BA12A1Interchangeable
interchangeable cross-reference
interchangeable
23TX6AInterchangeable
interchangeable cross-reference
interchangeable
TRX23-6N3Interchangeable
interchangeable cross-reference
interchangeable
23M4F1QInterchangeable
interchangeable cross-reference
interchangeable
AS20708/56Interchangeable
interchangeable cross-reference
interchangeable
8212778Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8212778?
8212778 is a SYNCHRO,RECEIVER-TRANSMITTER.
What parts can replace 8212778?
There are 12 known substitutes for 8212778: AY240BA12A1, 23TX6A, TRX23-6N3 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8212778?
8212778 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5990-00-519-3421. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026