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PartsTable / COMPONENT / C9640-11
C9640-11 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The KEY,SOCKET HEAD SCREW is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_length: 4.105 INCHES NOMINAL IN, long_arm_length: 3.750 INCHES NOMINAL IN, short_arm_length: 1.250 INCHES NOMINAL IN, style_designator: L-HANDLE, wrenching_surface_size: 0.313 INCHES NOMINAL BOTH ENDS IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-01-162-0319, 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
C9640-11
NSN: 5120-01-162-0319
FSC: 5120
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_length4.105 INCHES NOMINAL IN
long_arm_length3.750 INCHES NOMINAL IN
short_arm_length1.250 INCHES NOMINAL IN
style_designatorL-HANDLE
wrenching_surface_size0.313 INCHES NOMINAL BOTH ENDS IN
wrenching_surface_shapeHEXAGON BOTH ENDS EXTERNAL
NSN5120-01-162-0319
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available KEY,SOCKET HEAD SCREW TITLE COMPONENT PN C9640-11 MFR KEY,SOCKET HEAD SCREW
KEY FEATURES
•
LONG ARM LENGTH: 3.750 INCHES NOMINAL IN
•
SHORT ARM LENGTH: 1.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: L-HANDLE
•
WRENCHING SURFACE SIZE: 0.313 INCHES NOMINAL BOTH ENDS IN
•
WRENCHING SURFACE SHAPE: HEXAGON BOTH ENDS EXTERNAL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH4.105 INCHES NOMINAL IN
LONG ARM LENGTH3.750 INCHES NOMINAL IN
SHORT ARM LENGTH1.250 INCHES NOMINAL IN
STYLE DESIGNATORL-HANDLE
WRENCHING SURFACE SIZE0.313 INCHES NOMINAL BOTH ENDS IN
WRENCHING SURFACE SHAPEHEXAGON BOTH ENDS EXTERNAL
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
57028Interchangeable
interchangeable cross-reference
interchangeable
1W30966Interchangeable
interchangeable cross-reference
interchangeable
109765Interchangeable
interchangeable cross-reference
interchangeable
B01185Interchangeable
interchangeable cross-reference
interchangeable
68013Interchangeable
interchangeable cross-reference
interchangeable
B18.3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C9640-11?
C9640-11 is a KEY,SOCKET HEAD SCREW.
What parts can replace C9640-11?
There are 10 known substitutes for C9640-11: 57028, 1W30966, 109765 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C9640-11?
C9640-11 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-01-162-0319. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026