PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A6Adapter,socket Wrench

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · NSN 5120-00-243-1688 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-243-1688 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-243-1688. Primary manufacturer part number: A6.
Features
  • Adapter,socket Wrench — FSC 5120
  • Drive Surface Size: 0.281 INCHES NOMINAL SECOND END IN
  • Drive End Shape: SQUARE SECOND END EXTERNAL
  • Nondefinitive Spec/std Data: 4 TYPE AND 5 CLASS AND A STYLE
  • Features Provided: MANUAL TOOL
  • Drive Surface Size: 0.250 INCHES NOMINAL FIRST END IN
  • Style Designator: EXTERNAL-INTERNAL
  • Departure From Cited Designator: AS MODIFIED BY SECOND END SIZE
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Adapter,socket Wrench, cataloged under National Stock Number 5120-00-243-1688, is classified within Federal Supply Class 5120 (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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-243-1688
Primary Part NumberA6
Item NameAdapter,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerIdsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
StatusACTIVE
Drive Surface Size0.281 INCHES NOMINAL SECOND END IN
Drive End ShapeSQUARE SECOND END EXTERNAL
Nondefinitive Spec/std Data4 TYPE AND 5 CLASS AND A STYLE
Features ProvidedMANUAL TOOL
Drive Surface Size0.250 INCHES NOMINAL FIRST END IN
Style DesignatorEXTERNAL-INTERNAL
Departure From Cited DesignatorAS MODIFIED BY SECOND END SIZE
Drive End ShapeSQUARE FIRST END INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5120-00-224-921986-002 INTERCHANGEABLE
Adapter,socket Wrench
The Stanley Works Dba Stanley Proto
5120-00-227-8088 INTERCHANGEABLE
Adapter,socket Wrench
5120-00-227-8095 INTERCHANGEABLE
Adapter,socket Wrench
5120-00-240-8702 INTERCHANGEABLE
Adapter,socket Wrench
5120-00-240-8703 INTERCHANGEABLE
Adapter,socket Wrench
5120-00-533-5034 INTERCHANGEABLE
Adapter,socket Wrench
Cross-Reference Index
Part NumberManufacturer
A6 Sna Germany Gmbh (DEU)
GGG-W-641 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A6 PRIMARY Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
GGG-W-641 TY4CL5STA General Services Administration Federal Supply Service (USA)
Related Parts
5120-00-224-9219INTERCHANGEABLE
ADAPTER,SOCKET WRENCH
86-002
5120-00-227-8088INTERCHANGEABLE
ADAPTER,SOCKET WRENCH
5120-00-227-8095INTERCHANGEABLE
ADAPTER,SOCKET WRENCH
5120-00-240-8702INTERCHANGEABLE
ADAPTER,SOCKET WRENCH
5120-00-240-8703INTERCHANGEABLE
ADAPTER,SOCKET WRENCH
5120-00-533-5034INTERCHANGEABLE
ADAPTER,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5120-00-243-1688?

NSN 5120-00-243-1688 is a Adapter,socket Wrench, manufactured by Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-243-1688?

NSN 5120-00-243-1688 has 4 cross-referenced part numbers: A6 (Sna Germany Gmbh), GGG-W-641 (Federal Specifications Promulgated by General Services Administration Washington DC), A6 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), GGG-W-641 TY4CL5STA (General Services Administration Federal Supply Service).

What NSN replaces 5120-00-243-1688?

There are 6 known substitutes for 5120-00-243-1688: 5120-00-224-9219, 5120-00-227-8088, 5120-00-227-8095 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A6?

Key specifications for A6: Drive Surface Size: 0.281 INCHES NOMINAL SECOND END IN; Drive End Shape: SQUARE SECOND END EXTERNAL; Nondefinitive Spec/std Data: 4 TYPE AND 5 CLASS AND A STYLE; Features Provided: MANUAL TOOL. 8 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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