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PartsTable / COMPONENT / 21172-01
21172-01 ✓ 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 SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL, end_similarity: IDENTICAL, overall_length: 2.945 INCHES NOMINAL IN, surface_finish: 125.0 MICROINCHES, first_end_style: SPLINED (INVOLUTE), first_end_diameter: 0.2910 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 3040-00-348-0828, 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
21172-01
NSN: 3040-00-348-0828
FSC: 3040
CAGE: 3CPE0 — SAFRAN POWER USA LLC (USA)
SPECIFICATIONS
materialSTEEL
step_quantity5
end_similarityIDENTICAL
overall_length2.945 INCHES NOMINAL IN
surface_finish125.0 MICROINCHES
first_end_styleSPLINED (INVOLUTE)
first_end_diameter0.2910 INCHES NOMINAL IN
fsc_application_dataACTUATOR ACFT
largest_step_diameter0.390 INCHES NOMINAL IN
first_end_spline_length0.3190 INCHES NOMINAL IN
first_end_pitch_diameter0.2537 INCHES NOMINAL IN
first_end_pressure_angle30.0000 DEGREES NOMINAL
NSN3040-00-348-0828
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,SHOULDERED TITLE COMPONENT PN 21172-01 MFR SHAFT,SHOULDERED
KEY FEATURES
•
FIRST END SPLINE QUANTITY: 13
•
FIRST END PRESSURE ANGLE: 30.0000 DEGREES NOMINAL
•
MATERIAL: STEEL
•
FIRST END DIAMETER: 0.2910 INCHES NOMINAL IN
•
END SIMILARITY: IDENTICAL
•
STEP QUANTITY: 5
•
LARGEST STEP DIAMETER: 0.390 INCHES NOMINAL IN
•
FIRST END SPLINE MAJOR DIAMETER: 0.2910 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
FIRST END SPLINE QUANTITY13
FIRST END PRESSURE ANGLE30.0000 DEGREES NOMINAL
MATERIALSTEEL
FIRST END DIAMETER0.2910 INCHES NOMINAL IN
END SIMILARITYIDENTICAL
STEP QUANTITY5
LARGEST STEP DIAMETER0.390 INCHES NOMINAL IN
FIRST END SPLINE MAJOR DIAMETER0.2910 INCHES NOMINAL IN
FIRST END SPLINE LENGTH0.3190 INCHES NOMINAL IN
FSC APPLICATION DATAACTUATOR ACFT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
2117-2Interchangeable
interchangeable cross-reference
interchangeable
129321-1Interchangeable
interchangeable cross-reference
interchangeable
160175P9Interchangeable
interchangeable cross-reference
interchangeable
2080-2324Interchangeable
interchangeable cross-reference
interchangeable
100973Interchangeable
interchangeable cross-reference
interchangeable
17447Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21172-01?
21172-01 is a SHAFT,SHOULDERED.
What parts can replace 21172-01?
There are 7 known substitutes for 21172-01: 2117-2, 129321-1, 160175P9 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21172-01?
21172-01 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-00-348-0828. 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