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181025-1 — SHAFT,SHOULDERED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

181025-1: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL, end_similarity: NOT IDENTICAL, overall_length: 11.020 INCHES NOMINAL IN, surface_finish: 10.0 MICROINCHES, first_end_style: PLAIN, second_end_style: SPLINED (INVOLUTE). This part is cataloged in the U.S.

Government catalog under NSN 3040-01-018-3665, 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
181025-1
NSN: 3040-01-018-3665
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 71791 — CURTISS-WRIGHT CONTROLS, INC. DBA CURTISS WRIGHT DIV ACTUATION DIVISION (USA)
SPECIFICATIONS
materialSTEEL
step_quantity2
end_similarityNOT IDENTICAL
overall_length11.020 INCHES NOMINAL IN
surface_finish10.0 MICROINCHES
first_end_stylePLAIN
second_end_styleSPLINED (INVOLUTE)
first_end_diameter1.2125 INCHES NOMINAL IN
second_end_diameter1.2125 INCHES NOMINAL IN
fsc_application_dataACTUATOR MECHANICALAIRCRAFT
largest_step_diameter1.212 INCHES NOMINAL IN
second_end_spline_length10.020 INCHES NOMINAL IN
NSN3040-01-018-3665
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,SHOULDERED TITLE COMPONENT PN 181025-1 MFR SHAFT,SHOULDERED
KEY FEATURES
•
SURFACE FINISH: 10.0 MICROINCHES
•
FSC APPLICATION DATA: ACTUATOR MECHANICALAIRCRAFT
•
STEP QUANTITY: 2
•
FIRST END DIAMETER: 1.2125 INCHES NOMINAL IN
•
SECOND END DIAMETER: 1.2125 INCHES NOMINAL IN
•
LARGEST STEP DIAMETER: 1.212 INCHES NOMINAL IN
•
SECOND END SPLINE MINOR DIAMETER: 1.1121 INCHES NOMINAL IN
•
FIRST END STYLE: PLAIN
TECHNICAL CHARACTERISTICS
SURFACE FINISH10.0 MICROINCHES
FSC APPLICATION DATAACTUATOR MECHANICALAIRCRAFT
STEP QUANTITY2
FIRST END DIAMETER1.2125 INCHES NOMINAL IN
SECOND END DIAMETER1.2125 INCHES NOMINAL IN
LARGEST STEP DIAMETER1.212 INCHES NOMINAL IN
SECOND END SPLINE MINOR DIAMETER1.1121 INCHES NOMINAL IN
FIRST END STYLEPLAIN
SECOND END SPLINE MAJOR DIAMETER1.2125 INCHES NOMINAL IN
OVERALL LENGTH11.020 INCHES NOMINAL IN
OTHER ITEMS IN FSC 3040 — Miscellaneous Power Transmission Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3040-00-001-0046 3040-00-001-0047 3040-00-001-0048 3040-00-001-0068 3040-00-001-0077 3040-00-001-0078 3040-00-001-0089 3040-00-001-1224
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 181025-1?
181025-1 is a SHAFT,SHOULDERED.
What is the NSN for 181025-1?
181025-1 is cataloged in the U.S. Government catalog under NSN 3040-01-018-3665. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.