PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

J5254Adapter,socket Wrench

The Stanley Works Dba Stanley Proto · NSN 5120-00-240-8703 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-240-8703 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-240-8703. Primary manufacturer part number: J5254.
Features
  • Adapter,socket Wrench — FSC 5120
  • Outside Diameter: 0.875 INCHES MAXIMUM IN
  • Surface Treatment: CHROMIUM OVERALL
  • Nondefinitive Spec/std Data: 2 TYPE AND 3 CLASS AND A STYLE
  • Drive Surface Size: 0.375 INCHES MINIMUM FIRST END IN
  • Material: STEEL OVERALL
  • Environmental Attribute Code: PLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
  • Drive Surface Size: 0.500 INCHES MAXIMUM SECOND END IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Adapter,socket Wrench, cataloged under National Stock Number 5120-00-240-8703, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 23 commercial cross-references from 17 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
NSN5120-00-240-8703
Primary Part NumberJ5254
Item NameAdapter,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe Stanley Works Dba Stanley Proto
StatusCANCELLED
Outside Diameter0.875 INCHES MAXIMUM IN
Surface TreatmentCHROMIUM OVERALL
Nondefinitive Spec/std Data2 TYPE AND 3 CLASS AND A STYLE
Drive Surface Size0.375 INCHES MINIMUM FIRST END IN
MaterialSTEEL OVERALL
Environmental Attribute CodePLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
Drive Surface Size0.500 INCHES MAXIMUM SECOND END IN
Drive End ShapeSQUARE SECOND END EXTERNAL
Features ProvidedMANUAL TOOL
Drive End ShapeSQUARE FIRST END INTERNAL
Style DesignatorEXTERNAL-INTERNAL
Specification/standard Data05047-AMSE B107.110 CAT 10 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6625-00-004-7002421-5 INTERCHANGEABLE
Voltmeter
Jewell Instruments Llc
4730-00-136-4660 INTERCHANGEABLE
Flange,pipe
5120-00-144-5207 INTERCHANGEABLE
Adapter,socket Wrench
5935-00-192-4789 INTERCHANGEABLE
Jack,telephone
5815-00-199-6969 INTERCHANGEABLE
Teletypewriter Subassembly
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
5120-00-227-8103 INTERCHANGEABLE
Adapter,socket Wrench
5120-00-227-8104 INTERCHANGEABLE
Adapter,socket Wrench
Cross-Reference Index
Part NumberManufacturer
J5254 The Stanley Works Dba Stanley Proto (USA)
GGG-W-641 TY4CL5STA General Services Administration Federal Supply Service (USA)
EX503 Powell Duffryn Rail Projects (GBR)
4215 Utica Tool Co Inc (USA)
00021626 Msc Industrial Direct Co., Inc. (USA)
B107.10M TY2CL3ST1 General Services Administration Federal Supply Service (USA)
B107.10 TY2CL3STA General Services Administration Federal Supply Service (USA)
B107.110 The American Society of Mechanical Engineers (USA)
B107.110 CAT 10 TY2CL3STA General Services Administration Federal Supply Service (USA)
482 Ingersoll-Rand Co Proto Tool Div Tool Group Headquarters (USA)
B107.10M The American Society of Mechanical Engineers (USA)
469-001-023 Bonney Forge Corp (USA)
A-A-2172 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
GGG-W-641 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
771282018703 Ncb Hungary (honvedsegi Egyseges Termekkod) (HUN)
A2A Sna Germany Gmbh (DEU)
4215 Bonney Forge Corp (USA)
EX503B Apex Tool Group, Llc (USA)
11-952 Apex Tool Group, Llc Dba Nicholson (USA)
EX503 Probotec Ltd (GBR)
Related Parts
6625-00-004-7002INTERCHANGEABLE
VOLTMETER
421-5
4730-00-136-4660INTERCHANGEABLE
FLANGE,PIPE
5120-00-144-5207INTERCHANGEABLE
ADAPTER,SOCKET WRENCH
5935-00-192-4789INTERCHANGEABLE
JACK,TELEPHONE
5815-00-199-6969INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
5120-00-224-9219INTERCHANGEABLE
ADAPTER,SOCKET WRENCH
86-002
5120-00-227-8088INTERCHANGEABLE
ADAPTER,SOCKET WRENCH
5120-00-227-8095INTERCHANGEABLE
ADAPTER,SOCKET WRENCH
5120-00-227-8103INTERCHANGEABLE
ADAPTER,SOCKET WRENCH
5120-00-227-8104INTERCHANGEABLE
ADAPTER,SOCKET WRENCH
5360-00-231-7239INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
11952
5935-00-234-2136INTERCHANGEABLE
JACK,TELEPHONE
936902-1

Frequently Asked Questions

What is NSN 5120-00-240-8703?

NSN 5120-00-240-8703 is a Adapter,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 5120-00-240-8703?

NSN 5120-00-240-8703 has 23 cross-referenced part numbers: J5254 (The Stanley Works Dba Stanley Proto), GGG-W-641 TY4CL5STA (General Services Administration Federal Supply Service), EX503 (Powell Duffryn Rail Projects), 4215 (Utica Tool Co Inc), 00021626 (Msc Industrial Direct Co., Inc.) and 18 more.

What NSN replaces 5120-00-240-8703?

There are 12 known substitutes for 5120-00-240-8703: 6625-00-004-7002, 4730-00-136-4660, 5120-00-144-5207 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of J5254?

Key specifications for J5254: Outside Diameter: 0.875 INCHES MAXIMUM IN; Surface Treatment: CHROMIUM OVERALL; Nondefinitive Spec/std Data: 2 TYPE AND 3 CLASS AND A STYLE; Drive Surface Size: 0.375 INCHES MINIMUM FIRST END IN. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-240-8703 still in active supply?

NSN 5120-00-240-8703 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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