PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

J5861Extension,socket Wrench

The Stanley Works Dba Stanley Proto · NSN 5120-01-437-1747 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-437-1747 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-437-1747. Primary manufacturer part number: J5861.
Features
  • Extension,socket Wrench — FSC 5120
  • Specification/standard Data: 0U583-SAE AS4283 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Drive Surface Size: 1.000 INCHES NOMINAL BOTH ENDS IN
  • Drive End Shape: SQUARE FIRST END INTERNAL
  • Nondefinitive Spec/std Data: 2 TYPE AND 2 CLASS
  • Material: STEEL OVERALL
  • Features Provided: MANUAL TOOL
  • Drive End Shape: SQUARE SECOND END EXTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Extension,socket Wrench, cataloged under National Stock Number 5120-01-437-1747, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is The Stanley Works Dba Stanley Proto. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-437-1747
Primary Part NumberJ5861
Item NameExtension,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe Stanley Works Dba Stanley Proto
StatusCANCELLED
Specification/standard Data0U583-SAE AS4283 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Drive Surface Size1.000 INCHES NOMINAL BOTH ENDS IN
Drive End ShapeSQUARE FIRST END INTERNAL
Nondefinitive Spec/std Data2 TYPE AND 2 CLASS
MaterialSTEEL OVERALL
Features ProvidedMANUAL TOOL
Drive End ShapeSQUARE SECOND END EXTERNAL
Style DesignatorRIGID
Surface TreatmentCHROMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5340-00-061-82618224A0440-16 INTERCHANGEABLE
Standoff,threaded,spacing
Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware
6240-00-155-8720 INTERCHANGEABLE
Lamp,incandescent
5120-00-227-8074JHWS-115P INTERCHANGEABLE
Extension,socket Wrench
Williams J H Industrial Products Inc
5120-00-227-8079 INTERCHANGEABLE
Extension,socket Wrench
5120-00-227-8105 INTERCHANGEABLE
Extension,socket Wrench
5120-00-227-8107 INTERCHANGEABLE
Extension,socket Wrench
5120-00-240-8704 INTERCHANGEABLE
Extension,socket Wrench
5120-00-240-8705 INTERCHANGEABLE
Extension,socket Wrench
5120-00-240-8706 INTERCHANGEABLE
Extension,socket Wrench
5120-00-243-1689 INTERCHANGEABLE
Extension,socket Wrench
Cross-Reference Index
Part NumberManufacturer
L63 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
8408 Wright Tool Co (USA)
B107.10 TY2CL2STA General Services Administration Federal Supply Service (USA)
GGG-W-641 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
B107.10 The American Society of Mechanical Engineers (USA)
AS4283 Sae International Dba Sae International (USA)
GGG-W-641 TY4CL4STA General Services Administration Federal Supply Service (USA)
AS4283 TY2CL2 General Services Administration Federal Supply Service (USA)
A-A-2170 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
J5861 PRIMARY The Stanley Works Dba Stanley Proto (USA)
L63 Sna Germany Gmbh (DEU)
B107.10M TY2CL2ST1 General Services Administration Federal Supply Service (USA)
B107.10M The American Society of Mechanical Engineers (USA)
AS4283 Society of Automotive Engineers Inc (USA)
Related Parts
5340-00-061-8261INTERCHANGEABLE
STANDOFF,THREADED,SPACING
8224A0440-16
6240-00-155-8720INTERCHANGEABLE
LAMP,INCANDESCENT
5120-00-227-8074INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
JHWS-115P
5120-00-227-8079INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
5120-00-227-8105INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
5120-00-227-8107INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
5120-00-240-8704INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
5120-00-240-8705INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
5120-00-240-8706INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
5120-00-243-1689INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
5120-00-243-1691INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
5120-00-243-1693INTERCHANGEABLE
EXTENSION,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5120-01-437-1747?

NSN 5120-01-437-1747 is a Extension,socket Wrench, manufactured by The Stanley Works Dba Stanley Proto, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-437-1747?

NSN 5120-01-437-1747 has 14 cross-referenced part numbers: L63 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), 8408 (Wright Tool Co), B107.10 TY2CL2STA (General Services Administration Federal Supply Service), GGG-W-641 (Federal Specifications Promulgated by General Services Administration Washington DC), B107.10 (The American Society of Mechanical Engineers) and 9 more.

What NSN replaces 5120-01-437-1747?

There are 12 known substitutes for 5120-01-437-1747: 5340-00-061-8261, 6240-00-155-8720, 5120-00-227-8074 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of J5861?

Key specifications for J5861: Specification/standard Data: 0U583-SAE AS4283 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Drive Surface Size: 1.000 INCHES NOMINAL BOTH ENDS IN; Drive End Shape: SQUARE FIRST END INTERNAL; Nondefinitive Spec/std Data: 2 TYPE AND 2 CLASS. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-437-1747 still in active supply?

NSN 5120-01-437-1747 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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