PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A263BHolder,socket Wrench

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · NSN 5140-01-386-2403 · FSC 5140 · No Item Name Available
Verified by PartsTable
NSN 5140-01-386-2403 — this item is cataloged by the U.S. Government under National Stock Number 5140-01-386-2403. Primary manufacturer part number: A263B.
Features
  • Holder,socket Wrench — FSC 5140
  • 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
  • 2 verified cross-references
  • Primary manufacturer: Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Holder,socket Wrench, cataloged under National Stock Number 5140-01-386-2403, is classified within Federal Supply Class 5140 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5140-01-386-2403
Primary Part NumberA263B
Item NameHolder,socket Wrench
FSC / FSG5140 / 51 — No Item Name Available
ManufacturerIdsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
StatusACTIVE
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
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5950-00-274-2260278-0377-010 INTERCHANGEABLE
Transformer,radio Frequency
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5950-00-501-2036278-0377-011 INTERCHANGEABLE
Transformer,radio Frequency
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5950-01-043-743930004 INTERCHANGEABLE
Transformer,synchro to Synchro a
Data Device Corp Dba Beta Transformer Technology
1005-01-225-8362 INTERCHANGEABLE
Stop Pin,sear Spring
Cross-Reference Index
Part NumberManufacturer
A263 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
A263B PRIMARY Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
Related Parts
5950-00-274-2260INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
278-0377-010
5950-00-501-2036INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
278-0377-011
5950-01-043-7439INTERCHANGEABLE
TRANSFORMER,SYNCHRO TO SYNCHRO A
30004
1005-01-225-8362INTERCHANGEABLE
STOP PIN,SEAR SPRING

Frequently Asked Questions

What is NSN 5140-01-386-2403?

NSN 5140-01-386-2403 is a Holder,socket Wrench, manufactured by Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc, classified under FSC 5140 (No Item Name Available). Status: active.

What are the part numbers for NSN 5140-01-386-2403?

NSN 5140-01-386-2403 has 2 cross-referenced part numbers: A263 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), A263B (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc).

What NSN replaces 5140-01-386-2403?

There are 4 known substitutes for 5140-01-386-2403: 5950-00-274-2260, 5950-00-501-2036, 5950-01-043-7439 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A263B?

Key specifications for A263B: 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; End Item Identification: SNAP-ON SERIES KR AND KRA TOP CHESTS. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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