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BB6258 ✓ 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 CLUTCH HALF,POSITIVE,VEHICULAR is a the manufacturer industrial component. Key specifications include bore_shape: STRAIGHT SPLINE, overall_length: 2.500 INCHES NOMINAL IN, spline_quantity: 10, style_designator: DRIVEN JAW, spline_major_diameter: 2.250 INCHES NOMINAL IN, end_item_identification: HARNISCHFEGER CORP. MODEL M320T2, CRANE TRUCK MOUNTED.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2520-00-353-2669, 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
BB6258
NSN: 2520-00-353-2669
FSC: 2520
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
bore_shapeSTRAIGHT SPLINE
overall_length2.500 INCHES NOMINAL IN
spline_quantity10
style_designatorDRIVEN JAW
spline_major_diameter2.250 INCHES NOMINAL IN
end_item_identificationHARNISCHFEGER CORP. MODEL M320T2, CRANE TRUCK MOUNTED
jaw_circle_inside_diameter2.260 INCHES MINIMUM AND 2.263 INCHES MAXIMUM IN
jaw_circle_outside_diameter3.500 INCHES NOMINAL IN
NSN2520-00-353-2669
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CLUTCH HALF,POSITIVE,VEHICULAR TITLE COMPONENT PN BB6258 MFR CLUTCH HALF,POSITIVE,V
KEY FEATURES
•
STYLE DESIGNATOR: DRIVEN JAW
•
BORE SHAPE: STRAIGHT SPLINE
•
SPLINE QUANTITY: 10
•
JAW CIRCLE INSIDE DIAMETER: 2.260 INCHES MINIMUM AND 2.263 INCHES MAXIMUM IN
•
JAW CIRCLE OUTSIDE DIAMETER: 3.500 INCHES NOMINAL IN
•
SPLINE MAJOR DIAMETER: 2.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORDRIVEN JAW
OVERALL LENGTH2.500 INCHES NOMINAL IN
BORE SHAPESTRAIGHT SPLINE
SPLINE QUANTITY10
JAW CIRCLE INSIDE DIAMETER2.260 INCHES MINIMUM AND 2.263 INCHES MAXIMUM IN
JAW CIRCLE OUTSIDE DIAMETER3.500 INCHES NOMINAL IN
END ITEM IDENTIFICATIONHARNISCHFEGER CORP. MODEL M320T2, CRANE TRUCK MOUNTED
SPLINE MAJOR DIAMETER2.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
22443Interchangeable
interchangeable cross-reference
interchangeable
F6F6-5LInterchangeable
interchangeable cross-reference
interchangeable
0407-222Interchangeable
interchangeable cross-reference
interchangeable
PACCB79Interchangeable
interchangeable cross-reference
interchangeable
B79Interchangeable
interchangeable cross-reference
interchangeable
BB 79Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BB6258?
BB6258 is a CLUTCH HALF,POSITIVE,VEHICULAR.
What parts can replace BB6258?
There are 17 known substitutes for BB6258: 22443, F6F6-5L, 0407-222 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BB6258?
BB6258 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2520-00-353-2669. 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