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PartsTable / COMPONENT / A263B
A263B ✓ 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 HOLDER,SOCKET WRENCH is a the manufacturer industrial component. Key specifications include end_item_identification: SNAP-ON SERIES KR AND KRA TOP CHESTS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5140-01-386-2403, 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
A263B
NSN: 5140-01-386-2403
FSC: 5140
CAGE: 55719 — IDSC HOLDINGS LLC DIV SNAP-ON INDUSTRIAL, A DIV. OF IDSC HOLDINGS , LLC (USA)
SPECIFICATIONS
end_item_identificationSNAP-ON SERIES KR AND KRA TOP CHESTS
NSN5140-01-386-2403
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HOLDER,SOCKET WRENCH TITLE COMPONENT PN A263B MFR HOLDER,SOCKET WRENCH
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: CONSISTS OF FOUR 10-3/8 IN. AND TWO 3-1/2 IN. SOCKET RAILS WELDED TO A 10-1/8 IN. X 8-1/4 IN. X 1-1/2 IN. STEEL PANEL W/UPRIGHT CARRYING HANDLE; FITS IN TOP COMPARTMENT OF MOST TOP CHESTS AND CAN STORE MOST DEEP SOCKETS THROUGH 1/2 IN. DRIVE IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCONSISTS OF FOUR 10-3/8 IN. AND TWO 3-1/2 IN. SOCKET RAILS WELDED TO A 10-1/8 IN. X 8-1/4 IN. X 1-1/2 IN. STEEL PANEL W/UPRIGHT CARRYING HANDLE; FITS IN TOP COMPARTMENT OF MOST TOP CHESTS AND CAN STORE MOST DEEP SOCKETS THROUGH 1/2 IN. DRIVE IN
END ITEM IDENTIFICATIONSNAP-ON SERIES KR AND KRA TOP CHESTS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
278-0377-010Interchangeable
interchangeable cross-reference
interchangeable
A263Interchangeable
interchangeable cross-reference
interchangeable
278-0377-011Interchangeable
interchangeable cross-reference
interchangeable
30004Interchangeable
interchangeable cross-reference
interchangeable
A02603Interchangeable
interchangeable cross-reference
interchangeable
A03000Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A263B?
A263B is a HOLDER,SOCKET WRENCH.
What parts can replace A263B?
There are 6 known substitutes for A263B: 278-0377-010, A263, 278-0377-011 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A263B?
A263B is cataloged in the Federal Logistics Information System (FLIS) under NSN 5140-01-386-2403. 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