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8201639 — SHAFT,SHOULDERED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

8201639: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL, end_similarity: IDENTICAL, overall_length: 4.7500 INCHES NOMINAL IN, first_end_style: CIRCULAR GROOVED, first_end_diameter: 0.6875 INCHES NOMINAL IN, largest_step_diameter: 0.6200 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-149-3750, 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
8201639
NSN: 3040-01-149-3750
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialSTEEL
step_quantity4
end_similarityIDENTICAL
overall_length4.7500 INCHES NOMINAL IN
first_end_styleCIRCULAR GROOVED
first_end_diameter0.6875 INCHES NOMINAL IN
largest_step_diameter0.6200 INCHES NOMINAL IN
first_end_groove_width0.0469 INCHES NOMINAL IN
first_end_groove_diameter0.5000 INCHES NOMINAL IN
material_document_and_classificationQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE
first_end_distance_from_end_to_groove0.3750 INCHES NOMINAL IN
NSN3040-01-149-3750
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,SHOULDERED TITLE COMPONENT PN 8201639 MFR SHAFT,SHOULDERED
KEY FEATURES
•
STEP QUANTITY: 4
•
FIRST END DIAMETER: 0.6875 INCHES NOMINAL IN
•
LARGEST STEP DIAMETER: 0.6200 INCHES NOMINAL IN
•
FIRST END STYLE: CIRCULAR GROOVED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE
•
END SIMILARITY: IDENTICAL
•
FIRST END DISTANCE FROM END TO GROOVE: 0.3750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STEP QUANTITY4
FIRST END DIAMETER0.6875 INCHES NOMINAL IN
LARGEST STEP DIAMETER0.6200 INCHES NOMINAL IN
FIRST END STYLECIRCULAR GROOVED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH4.7500 INCHES NOMINAL IN
END SIMILARITYIDENTICAL
FIRST END DISTANCE FROM END TO GROOVE0.3750 INCHES NOMINAL IN
FIRST END GROOVE DIAMETER0.5000 INCHES NOMINAL IN
MATERIALSTEEL
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8201639?
8201639 is a SHAFT,SHOULDERED.
What is the NSN for 8201639?
8201639 is cataloged in the U.S. Government catalog under NSN 3040-01-149-3750. 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.