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BL9/64 — Technical Data Sheet

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— · 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: 3.900 INCHES NOMINAL IN, style_designator: L-HANDLE, features_provided: BALL END, surface_treatment: OXIDE OVERALL, wrenching_surface_size: 0.141 INCHES NOMINAL SINGLE END 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 5120-01-173-8185, 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
BL9/64
NSN: 5120-01-173-8185
FSC: 5120
CAGE: 31734 — BONDHUS CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_length3.900 INCHES NOMINAL IN
style_designatorL-HANDLE
features_providedBALL END
surface_treatmentOXIDE OVERALL
wrenching_surface_size0.141 INCHES NOMINAL SINGLE END IN
wrenching_surface_shapeHEXAGON SINGLE END EXTERNAL
NSN5120-01-173-8185
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available KEY,SOCKET HEAD SCREW TITLE COMPONENT PN BL9/64 MFR KEY,SOCKET HEAD SCREW
KEY FEATURES
•
WRENCHING SURFACE SIZE: 0.141 INCHES NOMINAL SINGLE END IN
•
STYLE DESIGNATOR: L-HANDLE
•
SURFACE TREATMENT: OXIDE OVERALL
•
WRENCHING SURFACE SHAPE: HEXAGON SINGLE END EXTERNAL
•
MATERIAL: STEEL OVERALL
•
FEATURES PROVIDED: BALL END
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH3.900 INCHES NOMINAL IN
WRENCHING SURFACE SIZE0.141 INCHES NOMINAL SINGLE END IN
STYLE DESIGNATORL-HANDLE
SURFACE TREATMENTOXIDE OVERALL
WRENCHING SURFACE SHAPEHEXAGON SINGLE END EXTERNAL
MATERIALSTEEL OVERALL
FEATURES PROVIDEDBALL END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
N-40345-AInterchangeable
interchangeable cross-reference
interchangeable
MS39179-5Interchangeable
interchangeable cross-reference
interchangeable
10908Interchangeable
interchangeable cross-reference
interchangeable
5134Interchangeable
interchangeable cross-reference
interchangeable
522GInterchangeable
interchangeable cross-reference
interchangeable
SM-B-70301-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BL9/64?
BL9/64 is a KEY,SOCKET HEAD SCREW.
What parts can replace BL9/64?
There are 9 known substitutes for BL9/64: N-40345-A, MS39179-5, 10908 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BL9/64?
BL9/64 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-01-173-8185. 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: September 2026