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64721-1 — SHAFT,SHOULDERED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

64721-1: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303, end_similarity: NOT IDENTICAL, overall_length: 0.500 INCHES NOMINAL IN, first_end_style: FLATTED, second_end_style: CIRCULAR GROOVED, first_end_diameter: 0.3750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-406-1886, 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
64721-1
NSN: 3040-00-406-1886
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 9Y580 — L3HARRIS TECHNOLOGIES, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 303
step_quantity3
end_similarityNOT IDENTICAL
overall_length0.500 INCHES NOMINAL IN
first_end_styleFLATTED
second_end_styleCIRCULAR GROOVED
first_end_diameter0.3750 INCHES NOMINAL IN
second_end_diameter0.2500 INCHES NOMINAL IN
first_end_flat_depth0.0580 INCHES NOMINAL IN
first_end_flat_length0.130 INCHES NOMINAL IN
largest_step_diameter0.375 INCHES NOMINAL IN
second_end_groove_width0.0550 INCHES NOMINAL IN
NSN3040-00-406-1886
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,SHOULDERED TITLE COMPONENT PN 64721-1 MFR SHAFT,SHOULDERED
KEY FEATURES
•
STEP QUANTITY: 3
•
FIRST END DIAMETER: 0.3750 INCHES NOMINAL IN
•
FIRST END FLAT DEPTH: 0.0580 INCHES NOMINAL IN
•
SECOND END DIAMETER: 0.2500 INCHES NOMINAL IN
•
LARGEST STEP DIAMETER: 0.375 INCHES NOMINAL IN
•
FIRST END STYLE: FLATTED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763,CLASS 303,COND A FED SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
STEP QUANTITY3
FIRST END DIAMETER0.3750 INCHES NOMINAL IN
FIRST END FLAT DEPTH0.0580 INCHES NOMINAL IN
SECOND END DIAMETER0.2500 INCHES NOMINAL IN
LARGEST STEP DIAMETER0.375 INCHES NOMINAL IN
FIRST END STYLEFLATTED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CLASS 303,COND A FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH0.500 INCHES NOMINAL IN
SECOND END GROOVE DIAMETER0.1650 INCHES NOMINAL IN
END SIMILARITYNOT IDENTICAL
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 64721-1?
64721-1 is a SHAFT,SHOULDERED.
What is the NSN for 64721-1?
64721-1 is cataloged in the U.S. Government catalog under NSN 3040-00-406-1886. 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.