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Technical Data Sheet
7901521-2 ✓ 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,CONTROL TRANSFORMER is a the manufacturer industrial component. Key specifications include length: 0.0630 INCHES NOMINAL SHOULDER IN, material: STEEL CORROSION RESISTING BODY, body_size: 10, body_style: STANDARD ROUND C, shaft_type: ROUND, SLOTTED SINGLE SHAFT, pilot_length: 0.0380 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 5990-00-115-5851, 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
7901521-2
NSN: 5990-00-115-5851
FSC: 5990
CAGE: 93322 — GE AVIATION SYSTEMS LLC DBA GE AVIATION (USA)
SPECIFICATIONS
length0.0630 INCHES NOMINAL SHOULDER IN
materialSTEEL CORROSION RESISTING BODY
body_size10
body_styleSTANDARD ROUND C
shaft_typeROUND, SLOTTED SINGLE SHAFT
pilot_length0.0380 INCHES NOMINAL IN
shaft_length0.3750 INCHES NOMINAL SINGLE SHAFT IN
overall_length1.6540 INCHES NOMINAL IN
pilot_diameter0.5000 INCHES MAXIMUM IN
shaft_diameter0.0900 INCHES MAXIMUM SINGLE SHAFT IN
shaft_end_play0.0003 INCHES MINIMUM AND 0.0015 INCHES MAXIMUM IN
undercut_width0.0620 INCHES NOMINAL IN
NSN5990-00-115-5851
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SYNCHRO,CONTROL TRANSFORMER TITLE COMPONENT PN 7901521-2 MFR SYNCHRO,CONTROL TRANSF
KEY FEATURES
STATOR INPUT ELECTRICAL POWER RATING: 80.0 MILLIWATTS NOMINAL
ACTUATOR FRICTION TORQUE AT PLUS 25 DEG CELSIUS: 4.0 CENTIMETER-GRAMS NOMINAL CM
FREQUENCY IN HERTZ: 400.0 NOMINAL
PILOT LENGTH: 0.0380 INCHES NOMINAL IN
SHAFT END PLAY DETERMINING WEIGHT: 3.0 OUNCES OZ
MATERIAL: STEEL CORROSION RESISTING BODY
FRAGILITY FACTOR: MODERATELY RUGGED
SHAFT DIAMETER: 0.0900 INCHES MAXIMUM SINGLE SHAFT IN
TECHNICAL CHARACTERISTICS (FLIS)
STATOR INPUT ELECTRICAL POWER RATING80.0 MILLIWATTS NOMINAL
ACTUATOR FRICTION TORQUE AT PLUS 25 DEG CELSIUS4.0 CENTIMETER-GRAMS NOMINAL CM
FREQUENCY IN HERTZ400.0 NOMINAL
PILOT LENGTH0.0380 INCHES NOMINAL IN
SHAFT END PLAY DETERMINING WEIGHT3.0 OUNCES OZ
MATERIALSTEEL CORROSION RESISTING BODY
FRAGILITY FACTORMODERATELY RUGGED
SHAFT DIAMETER0.0900 INCHES MAXIMUM SINGLE SHAFT IN
SHAFT LENGTH0.3750 INCHES NOMINAL SINGLE SHAFT IN
SHAFT END PLAY0.0003 INCHES MINIMUM AND 0.0015 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
M4503Interchangeable
interchangeable cross-reference
interchangeable
FP4503Interchangeable
interchangeable cross-reference
interchangeable
40446Interchangeable
interchangeable cross-reference
interchangeable
55139PAInterchangeable
interchangeable cross-reference
interchangeable
55139Interchangeable
interchangeable cross-reference
interchangeable
SMB187057Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7901521-2?
7901521-2 is a SYNCHRO,CONTROL TRANSFORMER.
What parts can replace 7901521-2?
There are 9 known substitutes for 7901521-2: M4503, FP4503, 40446 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7901521-2?
7901521-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5990-00-115-5851. This indicates validated use in U.S. government and defense supply chains.
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