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PartsTable / COMPONENT / 9900103
9900103 ✓ 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: 4.110 INCHES MINIMUM AND 4.111 INCHES MAXIMUM IN, long_arm_length: 4.000 INCHES NOMINAL IN, short_arm_length: 1.000 INCHES NOMINAL IN, style_designator: L-HANDLE, surface_treatment: OXIDE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-115-9181, 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
9900103
NSN: 5120-00-115-9181
FSC: 5120
CAGE: 05487 — LEXMARK INTERNATIONAL, INC. DBA LEXMARK (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_length4.110 INCHES MINIMUM AND 4.111 INCHES MAXIMUM IN
long_arm_length4.000 INCHES NOMINAL IN
short_arm_length1.000 INCHES NOMINAL IN
style_designatorL-HANDLE
surface_treatmentOXIDE OVERALL
wrenching_surface_size0.111 INCHES NOMINAL BOTH ENDS IN
wrenching_surface_shapeSPLINE BOTH ENDS EXTERNAL
wrenching_surface_flute_quantity6
NSN5120-00-115-9181
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available KEY,SOCKET HEAD SCREW TITLE COMPONENT PN 9900103 MFR KEY,SOCKET HEAD SCREW
KEY FEATURES
•
MATERIAL: STEEL OVERALL
•
WRENCHING SURFACE SIZE: 0.111 INCHES NOMINAL BOTH ENDS IN
•
STYLE DESIGNATOR: L-HANDLE
•
SURFACE TREATMENT: OXIDE OVERALL
•
WRENCHING SURFACE FLUTE QUANTITY: 6
•
WRENCHING SURFACE SHAPE: SPLINE BOTH ENDS EXTERNAL
•
LONG ARM LENGTH: 4.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
WRENCHING SURFACE SIZE0.111 INCHES NOMINAL BOTH ENDS IN
STYLE DESIGNATORL-HANDLE
SURFACE TREATMENTOXIDE OVERALL
WRENCHING SURFACE FLUTE QUANTITY6
WRENCHING SURFACE SHAPESPLINE BOTH ENDS EXTERNAL
LONG ARM LENGTH4.000 INCHES NOMINAL IN
OVERALL LENGTH4.110 INCHES MINIMUM AND 4.111 INCHES MAXIMUM IN
SHORT ARM LENGTH1.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
5691040Interchangeable
interchangeable cross-reference
interchangeable
75731Interchangeable
interchangeable cross-reference
interchangeable
450043Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9900103?
9900103 is a KEY,SOCKET HEAD SCREW.
What parts can replace 9900103?
There are 3 known substitutes for 9900103: 5691040, 75731, 450043. Substitute compatibility should be verified for your specific system.
What is the NSN for 9900103?
9900103 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-115-9181. 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