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7528521 — SHAFT,SHOULDERED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

7528521: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL, end_similarity: NOT IDENTICAL, overall_length: 8.375 INCHES NOMINAL IN, first_end_style: EXTERNAL THREADED, second_end_style: PLAIN, special_features: CHAMFERED EDGES ON ALL STEPS;KEY WAY ON STEP ONE ALSO IS THREADED. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-752-8521, 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
7528521
NSN: 3040-00-752-8521
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL
step_quantity3
end_similarityNOT IDENTICAL
overall_length8.375 INCHES NOMINAL IN
first_end_styleEXTERNAL THREADED
second_end_stylePLAIN
special_featuresCHAMFERED EDGES ON ALL STEPS;KEY WAY ON STEP ONE ALSO IS THREADED
first_end_diameter1.3750 INCHES NOMINAL IN
second_end_diameter2.7490 INCHES NOMINAL IN
largest_step_diameter5.000 INCHES NOMINAL IN
first_end_external_thread_length2.000 INCHES NOMINAL IN
NSN3040-00-752-8521
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,SHOULDERED TITLE COMPONENT PN 7528521 MFR SHAFT,SHOULDERED
KEY FEATURES
•
STEP QUANTITY: 3
•
FIRST END DIAMETER: 1.3750 INCHES NOMINAL IN
•
SECOND END DIAMETER: 2.7490 INCHES NOMINAL IN
•
LARGEST STEP DIAMETER: 5.000 INCHES NOMINAL IN
•
FIRST END EXTERNAL THREAD LENGTH: 2.000 INCHES NOMINAL IN
•
FIRST END STYLE: EXTERNAL THREADED
•
END SIMILARITY: NOT IDENTICAL
TECHNICAL CHARACTERISTICS
STEP QUANTITY3
FIRST END DIAMETER1.3750 INCHES NOMINAL IN
SECOND END DIAMETER2.7490 INCHES NOMINAL IN
LARGEST STEP DIAMETER5.000 INCHES NOMINAL IN
FIRST END EXTERNAL THREAD LENGTH2.000 INCHES NOMINAL IN
FIRST END STYLEEXTERNAL THREADED
OVERALL LENGTH8.375 INCHES NOMINAL IN
END SIMILARITYNOT IDENTICAL
SPECIAL FEATURESCHAMFERED EDGES ON ALL STEPS;KEY WAY ON STEP ONE ALSO IS THREADED
SECOND END STYLEPLAIN
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7528521?
7528521 is a SHAFT,SHOULDERED.
What is the NSN for 7528521?
7528521 is cataloged in the U.S. Government catalog under NSN 3040-00-752-8521. 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.