PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4409Extension,socket Wrench

Wright Tool Co · NSN 5120-01-396-5900 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-396-5900 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-396-5900. Primary manufacturer part number: 4409.
Features
  • Extension,socket Wrench — FSC 5120
  • Style Designator: RIGID
  • Drive Surface Size: 0.500 INCHES NOMINAL BOTH ENDS IN
  • Features Provided: MANUAL TOOL
  • Drive End Shape: SQUARE SECOND END EXTERNAL
  • Drive End Shape: SQUARE FIRST END INTERNAL
  • Material: STEEL OVERALL
  • Surface Treatment: CHROMIUM OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Extension,socket Wrench, cataloged under National Stock Number 5120-01-396-5900, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Wright Tool Co. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-396-5900
Primary Part Number4409
Item NameExtension,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerWright Tool Co
StatusACTIVE
Style DesignatorRIGID
Drive Surface Size0.500 INCHES NOMINAL BOTH ENDS IN
Features ProvidedMANUAL TOOL
Drive End ShapeSQUARE SECOND END EXTERNAL
Drive End ShapeSQUARE FIRST END INTERNAL
MaterialSTEEL OVERALL
Surface TreatmentCHROMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5310-00-243-7179 INTERCHANGEABLE
Nut,plain,hexagon
5920-00-280-44144409 INTERCHANGEABLE
Fuseholder,block
Cooper Bussmann, Llc Dba Cooper Industries
5330-00-301-5749SCB61722 INTERCHANGEABLE
Gasket
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6220-00-577-3435 INTERCHANGEABLE
Light,marker,clearance
5950-00-672-9316 INTERCHANGEABLE
Coil,radio Frequency
5120-01-019-78624409 INTERCHANGEABLE
Die,crimping Tool
Abb Installation Products Inc
5120-01-160-1312 INTERCHANGEABLE
Die,crimping Tool
6625-01-267-98559211-2649 INTERCHANGEABLE
Case Transit
Hewlett-Packard Company Dba HP
5895-01-372-5509 INTERCHANGEABLE
Interface Unit,communication Equ
5985-01-685-76874409 INTERCHANGEABLE
Antenna
Sunar Rf Motion, Inc.
Cross-Reference Index
Part NumberManufacturer
4409 PRIMARY Wright Tool Co (USA)
Related Parts
5310-00-243-7179INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5920-00-280-4414INTERCHANGEABLE
FUSEHOLDER,BLOCK
4409
5330-00-301-5749INTERCHANGEABLE
GASKET
SCB61722
6220-00-577-3435INTERCHANGEABLE
LIGHT,MARKER,CLEARANCE
5950-00-672-9316INTERCHANGEABLE
COIL,RADIO FREQUENCY
5120-01-019-7862INTERCHANGEABLE
DIE,CRIMPING TOOL
4409
5120-01-160-1312INTERCHANGEABLE
DIE,CRIMPING TOOL
6625-01-267-9855INTERCHANGEABLE
CASE TRANSIT
9211-2649
5895-01-372-5509INTERCHANGEABLE
INTERFACE UNIT,COMMUNICATION EQU
5985-01-685-7687INTERCHANGEABLE
ANTENNA
4409

Frequently Asked Questions

What is NSN 5120-01-396-5900?

NSN 5120-01-396-5900 is a Extension,socket Wrench, manufactured by Wright Tool Co, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-396-5900?

NSN 5120-01-396-5900 has 1 cross-referenced part number: 4409 (Wright Tool Co).

What NSN replaces 5120-01-396-5900?

There are 10 known substitutes for 5120-01-396-5900: 5310-00-243-7179, 5920-00-280-4414, 5330-00-301-5749 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4409?

Key specifications for 4409: Style Designator: RIGID; Drive Surface Size: 0.500 INCHES NOMINAL BOTH ENDS IN; Features Provided: MANUAL TOOL; Special Features: WOBBLE TYPE. 9 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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