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7640654 — WORM SHAFT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

7640654: WORM SHAFT.

The WORM SHAFT is a the manufacturer industrial component. Key specifications include material: STEEL, end_similarity: NOT IDENTICAL, overall_length: 2.812 INCHES NOMINAL IN, shaft_location: BOTH ENDS OF WORM, worm_helix_angle: 4 DEGREES 57 MINUTES, worm_thread_lead: 0.166 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-764-0654, 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
7640654
NSN: 3040-00-764-0654
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
end_similarityNOT IDENTICAL
overall_length2.812 INCHES NOMINAL IN
shaft_locationBOTH ENDS OF WORM
worm_helix_angle4 DEGREES 57 MINUTES
worm_thread_lead0.166 INCHES NOMINAL IN
worm_pitch_diameter0.612 INCHES NOMINAL IN
worm_thread_quantity4
worm_outside_diameter0.718 INCHES NOMINAL IN
worm_thread_directionLEFT-HAND
worm_pressure_angle_in_deg16.667
worm_thread_section_length0.718 INCHES NOMINAL IN
NSN3040-00-764-0654
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WORM SHAFT TITLE COMPONENT PN 7640654 MFR WORM SHAFT
KEY FEATURES
•
SHAFT LOCATION: BOTH ENDS OF WORM
•
WORM THREAD LEAD: 0.166 INCHES NOMINAL IN
•
WORM PITCH DIAMETER: 0.612 INCHES NOMINAL IN
•
WORM OUTSIDE DIAMETER: 0.718 INCHES NOMINAL IN
•
END SIMILARITY: NOT IDENTICAL
•
WORM THREAD SECTION LENGTH: 0.718 INCHES NOMINAL IN
•
WORM HELIX ANGLE: 4 DEGREES 57 MINUTES
TECHNICAL CHARACTERISTICS
SHAFT LOCATIONBOTH ENDS OF WORM
WORM THREAD LEAD0.166 INCHES NOMINAL IN
OVERALL LENGTH2.812 INCHES NOMINAL IN
WORM PITCH DIAMETER0.612 INCHES NOMINAL IN
WORM OUTSIDE DIAMETER0.718 INCHES NOMINAL IN
END SIMILARITYNOT IDENTICAL
WORM THREAD SECTION LENGTH0.718 INCHES NOMINAL IN
WORM HELIX ANGLE4 DEGREES 57 MINUTES
MATERIALSTEEL
WORM THREAD QUANTITY4
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
Demilitarization required — complete disassembly
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FREQUENTLY ASKED QUESTIONS
What is 7640654?
7640654 is a WORM SHAFT.
What is the NSN for 7640654?
7640654 is cataloged in the U.S. Government catalog under NSN 3040-00-764-0654. 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.