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PartsTable / COMPONENT / X840B
X840B ✓ 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 WRENCH,BOX is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, offset_height: 2.250 INCHES MINIMUM IN, head_thickness: 1.562 INCHES MAXIMUM IN, overall_length: 13.562 INCHES MINIMUM IN, outside_diameter: 4.188 INCHES MAXIMUM IN, special_markings: WRENCH SIZE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-287-4165, 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
X840B
NSN: 5120-00-287-4165
FSC: 5120
CAGE: 55719 — IDSC HOLDINGS LLC DIV SNAP-ON INDUSTRIAL, A DIV. OF IDSC HOLDINGS , LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
offset_height2.250 INCHES MINIMUM IN
head_thickness1.562 INCHES MAXIMUM IN
overall_length13.562 INCHES MINIMUM IN
outside_diameter4.188 INCHES MAXIMUM IN
special_markingsWRENCH SIZE
style_designatorDOUBLE OFFSET STUB END
surface_treatmentOXIDE OVERALL
wrenching_surface_size2.625 INCHES NOMINAL SINGLE END IN
wrenching_surface_shape12 POINT SINGLE END INTERNAL
NSN5120-00-287-4165
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WRENCH,BOX TITLE COMPONENT PN X840B MFR WRENCH,BOX
KEY FEATURES
•
SURFACE TREATMENT: OXIDE OVERALL
•
OUTSIDE DIAMETER: 4.188 INCHES MAXIMUM IN
•
WRENCHING SURFACE SHAPE: 12 POINT SINGLE END INTERNAL
•
WRENCHING SURFACE SIZE: 2.625 INCHES NOMINAL SINGLE END IN
•
OFFSET HEIGHT: 2.250 INCHES MINIMUM IN
•
MATERIAL: STEEL OVERALL
•
HEAD THICKNESS: 1.562 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTOXIDE OVERALL
OUTSIDE DIAMETER4.188 INCHES MAXIMUM IN
OVERALL LENGTH13.562 INCHES MINIMUM IN
WRENCHING SURFACE SHAPE12 POINT SINGLE END INTERNAL
WRENCHING SURFACE SIZE2.625 INCHES NOMINAL SINGLE END IN
OFFSET HEIGHT2.250 INCHES MINIMUM IN
MATERIALSTEEL OVERALL
HEAD THICKNESS1.562 INCHES MAXIMUM IN
STYLE DESIGNATORDOUBLE OFFSET STUB END
SPECIAL MARKINGSWRENCH SIZE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
WW6339-48Interchangeable
interchangeable cross-reference
interchangeable
284Interchangeable
interchangeable cross-reference
interchangeable
PBTTInterchangeable
interchangeable cross-reference
interchangeable
483696-10Interchangeable
interchangeable cross-reference
interchangeable
C0625BInterchangeable
interchangeable cross-reference
interchangeable
G07236-A16Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is X840B?
X840B is a WRENCH,BOX.
What parts can replace X840B?
There are 17 known substitutes for X840B: WW6339-48, 284, PBTT and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for X840B?
X840B is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-287-4165. 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