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Technical Data Sheet
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904971 ✓ 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,TRANSMITTER is a the manufacturer industrial component. Key specifications include length: 0.1270 INCHES MINIMUM AND 0.1370 INCHES MAXIMUM SHOULDER IN, body_size: 15, body_style: STANDARD ROUND B, shaft_type: ROUND, SLOTTED SINGLE SHAFT, pilot_length: 0.0350 INCHES MINIMUM AND 0.0450 INCHES MAXIMUM IN, shaft_length: 0.4900 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM SINGLE SHAFT 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 5990-01-305-7228, 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
904971
NSN: 5990-01-305-7228
FSC: 5990
CAGE: 34228 — L3 TECHNOLOGIES, INC. DIV L3 KEO (USA)
SPECIFICATIONS
length0.1270 INCHES MINIMUM AND 0.1370 INCHES MAXIMUM SHOULDER IN
body_size15
body_styleSTANDARD ROUND B
shaft_typeROUND, SLOTTED SINGLE SHAFT
pilot_length0.0350 INCHES MINIMUM AND 0.0450 INCHES MAXIMUM IN
shaft_length0.4900 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM SINGLE SHAFT IN
body_materialSTEEL CORROSION RESISTING
overall_length2.3320 INCHES MAXIMUM IN
pilot_diameter0.8745 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
shaft_diameter0.1867 INCHES MINIMUM AND 0.1872 INCHES MAXIMUM SINGLE SHAFT IN
shaft_end_play0.0010 INCHES NOMINAL IN
undercut_width0.0730 INCHES MINIMUM AND 0.0830 INCHES MAXIMUM IN
NSN5990-01-305-7228
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SYNCHRO,TRANSMITTER TITLE COMPONENT PN 904971 MFR SYNCHRO,TRANSMITTER
KEY FEATURES
•
ROTOR INPUT CURRENT RATING: 85.0 MILLIAMPERES MAXIMUM
•
MOUNTING SURFACE TO TERMINAL END DISTANCE: 1.7770 INCHES MAXIMUM IN
•
SHAFT MAXIMUM RUNOUT: 0.0008 INCHES IN
•
ZSS IMPEDANCE MAGNITUDE IN OHMS: 123.00 MINIMUM AND 138.00 MAXIMUM
•
PILOT DIAMETER: 0.8745 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
•
SHOULDER DIAMETER: 1.3115 INCHES MINIMUM AND 1.3120 INCHES MAXIMUM IN
•
FLANGE DIAMETER: 1.4320 INCHES MINIMUM AND 1.4370 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
ROTOR INPUT CURRENT RATING85.0 MILLIAMPERES MAXIMUM
MOUNTING SURFACE TO TERMINAL END DISTANCE1.7770 INCHES MAXIMUM IN
SHAFT MAXIMUM RUNOUT0.0008 INCHES IN
ZSS IMPEDANCE MAGNITUDE IN OHMS123.00 MINIMUM AND 138.00 MAXIMUM
PILOT DIAMETER0.8745 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
SHOULDER DIAMETER1.3115 INCHES MINIMUM AND 1.3120 INCHES MAXIMUM IN
FLANGE DIAMETER1.4320 INCHES MINIMUM AND 1.4370 INCHES MAXIMUM IN
OVERALL LENGTH2.3320 INCHES MAXIMUM IN
UNDERCUT WIDTH0.0730 INCHES MINIMUM AND 0.0830 INCHES MAXIMUM IN
BODY STYLESTANDARD ROUND B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
315-1264P1Interchangeable
interchangeable cross-reference
interchangeable
L200005673Interchangeable
interchangeable cross-reference
interchangeable
420352Interchangeable
interchangeable cross-reference
interchangeable
15CX4BInterchangeable
interchangeable cross-reference
interchangeable
MILS20708-14Interchangeable
interchangeable cross-reference
interchangeable
1803743Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 904971?
904971 is a SYNCHRO,TRANSMITTER.
What parts can replace 904971?
There are 12 known substitutes for 904971: 315-1264P1, L200005673, 420352 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 904971?
904971 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5990-01-305-7228. 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