PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

J4705MSocket,socket Wrench

The Stanley Works Dba Stanley Proto · NSN 5120-01-399-9525 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-399-9525 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-399-9525. Primary manufacturer part number: J4705M.
Features
  • Socket,socket Wrench — FSC 5120
  • Features Provided: MANUAL TOOL
  • Material: STEEL OVERALL
  • Wrenching Surface Size: 5.0 MILLIMETERS NOMINAL SINGLE END MM
  • Style Designator: INTERNAL-INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-399-9525, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-399-9525
Primary Part NumberJ4705M
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe Stanley Works Dba Stanley Proto
StatusACTIVE
Features ProvidedMANUAL TOOL
MaterialSTEEL OVERALL
Wrenching Surface Size5.0 MILLIMETERS NOMINAL SINGLE END MM
Style DesignatorINTERNAL-INTERNAL
Surface TreatmentCHROMIUM OVERALL
Drive End ShapeSQUARE SINGLE END INTERNAL
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS
Drive Surface Size0.250 INCHES NOMINAL SINGLE END IN
Specification/standard Data05047-ASME B107.5 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Wrenching Surface Shape6 POINT SINGLE END INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5330-00-737-5110117066 INTERCHANGEABLE
Gasket
Am General Llc
Cross-Reference Index
Part NumberManufacturer
J4705M The Stanley Works Dba Stanley Proto (USA)
B107.5 The American Society of Mechanical Engineers (USA)
B107.5 TY1CL1 General Services Administration Federal Supply Service (USA)
4705M The Stanley Works Dba Stanley Proto (USA)
1AH15 W.w. Grainger, Inc. Div Government Sales Division (USA)
Related Parts
5330-00-737-5110INTERCHANGEABLE
GASKET
117066

Frequently Asked Questions

What is NSN 5120-01-399-9525?

NSN 5120-01-399-9525 is a Socket,socket Wrench, manufactured by The Stanley Works Dba Stanley Proto, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-399-9525?

NSN 5120-01-399-9525 has 5 cross-referenced part numbers: J4705M (The Stanley Works Dba Stanley Proto), B107.5 (The American Society of Mechanical Engineers), B107.5 TY1CL1 (General Services Administration Federal Supply Service), 4705M (The Stanley Works Dba Stanley Proto), 1AH15 (W.w. Grainger, Inc. Div Government Sales Division).

What NSN replaces 5120-01-399-9525?

There is 1 known substitute for 5120-01-399-9525: 5330-00-737-5110. Verify interchangeability with system specifications before substitution.

What are the specifications of J4705M?

Key specifications for J4705M: Features Provided: MANUAL TOOL; Material: STEEL OVERALL; Wrenching Surface Size: 5.0 MILLIMETERS NOMINAL SINGLE END MM; Style Designator: INTERNAL-INTERNAL. 11 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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