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176540 — MODULE ASSEMBLY

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

176540: MODULE ASSEMBLY.

The MODULE ASSEMBLY is a the manufacturer industrial component. Key specifications include material: STEEL, end_similarity: NOT IDENTICAL, overall_length: 3.170 INCHES NOMINAL IN, surface_finish: 125.0 MICROINCHES, first_end_style: SPLINED (INVOLUTE), second_end_style: SPLINED (INVOLUTE). This part is cataloged in the U.S.

Government catalog under NSN 3040-00-764-7906, 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
MRO→ MRO_GENERAL→ 176540
NSN: 3040-00-764-7906
NIINs: 007647906, 009257321, 014861176
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 71791 — CURTISS-WRIGHT CONTROLS, INC. DBA CURTISS WRIGHT DIV ACTUATION DIVISION (USA)
SPECIFICATIONS
materialSTEEL
step_quantity3
end_similarityNOT IDENTICAL
overall_length3.170 INCHES NOMINAL IN
surface_finish125.0 MICROINCHES
first_end_styleSPLINED (INVOLUTE)
second_end_styleSPLINED (INVOLUTE)
first_end_diameter2.5000 INCHES NOMINAL IN
second_end_diameter2.5000 INCHES NOMINAL IN
fsc_application_dataWINCH ASSEMBLY AIRCRAFT
largest_step_diameter2.525 INCHES NOMINAL IN
first_end_spline_length0.6000 INCHES NOMINAL IN
NSN3040-00-764-7906
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MODULE ASSEMBLY TITLE COMPONENT PN 176540 MFR MODULE ASSEMBLY
KEY FEATURES
•
SURFACE FINISH: 125.0 MICROINCHES
•
FSC APPLICATION DATA: WINCH ASSEMBLY AIRCRAFT
•
FIRST END PITCH DIAMETER: 2.4370 INCHES NOMINAL IN
•
STEP QUANTITY: 3
•
FIRST END DIAMETER: 2.5000 INCHES NOMINAL IN
•
FIRST END SPLINE MAJOR DIAMETER: 2.5000 INCHES NOMINAL IN
•
SECOND END DIAMETER: 2.5000 INCHES NOMINAL IN
•
LARGEST STEP DIAMETER: 2.525 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES
FSC APPLICATION DATAWINCH ASSEMBLY AIRCRAFT
FIRST END PITCH DIAMETER2.4370 INCHES NOMINAL IN
STEP QUANTITY3
FIRST END DIAMETER2.5000 INCHES NOMINAL IN
FIRST END SPLINE MAJOR DIAMETER2.5000 INCHES NOMINAL IN
SECOND END DIAMETER2.5000 INCHES NOMINAL IN
LARGEST STEP DIAMETER2.525 INCHES NOMINAL IN
SECOND END SPLINE MINOR DIAMETER2.3750 INCHES NOMINAL IN
FIRST END STYLESPLINED (INVOLUTE)
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 176540?
176540 is a MODULE ASSEMBLY. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 176540?
176540 is cataloged in the U.S. Government catalog under NSN 3040-00-764-7906. 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.