PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

J5409AScrewdriver Attachment,socket Wr

The Stanley Works Dba Stanley Proto · NSN 5120-01-428-4949 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-428-4949 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-428-4949. Primary manufacturer part number: J5409A.
Features
  • Screwdriver Attachment,socket Wr — FSC 5120
  • Material: STEEL OVERALL
  • Features Provided: MANUAL TOOL
  • Wrenching Surface Shape: FLAT (SLOTTED) SINGLE END EXTERNAL
  • Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN
  • Style Designator: FLAT (SLOTTED)
  • Tip Width: 0.625 INCHES NOMINAL IN
  • Tip Thickness: 0.093 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Screwdriver Attachment,socket Wr, cataloged under National Stock Number 5120-01-428-4949, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-428-4949
Primary Part NumberJ5409A
Item NameScrewdriver Attachment,socket Wr
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe Stanley Works Dba Stanley Proto
StatusACTIVE
MaterialSTEEL OVERALL
Features ProvidedMANUAL TOOL
Wrenching Surface ShapeFLAT (SLOTTED) SINGLE END EXTERNAL
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Style DesignatorFLAT (SLOTTED)
Tip Width0.625 INCHES NOMINAL IN
Tip Thickness0.093 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5905-00-138-4239KC11-01X4/9567 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Sensor Systems, L.l.c. Dba Sensor Systems Llc
3110-00-156-4878177009-48 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5985-00-486-625120-2773 INTERCHANGEABLE
Coupler,rotary,radio Frequency
Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc
5930-00-489-01491339AS895-1 INTERCHANGEABLE
Switch,toggle
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
5950-00-679-8892 INTERCHANGEABLE
Reactor
2520-01-048-70955406 INTERCHANGEABLE
Torque Converter,vehicular
Barney & White Auto Parts Inc
5306-01-054-45655409 INTERCHANGEABLE
Bolt,eye
Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier
5962-01-095-3613 INTERCHANGEABLE
Microcircuit,digital
6640-01-110-93685409 INTERCHANGEABLE
Filtration System
Grace W R and Co Amicon Div
4720-01-122-77315409 INTERCHANGEABLE
Hose Assembly,metallic
Transdigm Inc Div Adelwiggins Group
Cross-Reference Index
Part NumberManufacturer
1FW94 W.w. Grainger, Inc. Div Government Sales Division (USA)
J5409A PRIMARY The Stanley Works Dba Stanley Proto (USA)
5409 The Stanley Works Dba Stanley Proto (USA)
Related Parts
5905-00-138-4239INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
KC11-01X4/9567
3110-00-156-4878INTERCHANGEABLE
BEARING,BALL,ANNULAR
177009-48
5985-00-486-6251INTERCHANGEABLE
COUPLER,ROTARY,RADIO FREQUENCY
20-2773
5930-00-489-0149INTERCHANGEABLE
SWITCH,TOGGLE
1339AS895-1
5950-00-679-8892INTERCHANGEABLE
REACTOR
2520-01-048-7095INTERCHANGEABLE
TORQUE CONVERTER,VEHICULAR
5406
5306-01-054-4565INTERCHANGEABLE
BOLT,EYE
5409
5962-01-095-3613INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
6640-01-110-9368INTERCHANGEABLE
FILTRATION SYSTEM
5409
4720-01-122-7731INTERCHANGEABLE
HOSE ASSEMBLY,METALLIC
5409
5330-01-137-7274INTERCHANGEABLE
GASKET
S5-409
4820-01-322-7578INTERCHANGEABLE
VALVE,SAFETY RELIEF
533T1-1M-150

Frequently Asked Questions

What is NSN 5120-01-428-4949?

NSN 5120-01-428-4949 is a Screwdriver Attachment,socket Wr, 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 5120-01-428-4949?

NSN 5120-01-428-4949 has 3 cross-referenced part numbers: 1FW94 (W.w. Grainger, Inc. Div Government Sales Division), J5409A (The Stanley Works Dba Stanley Proto), 5409 (The Stanley Works Dba Stanley Proto).

What NSN replaces 5120-01-428-4949?

There are 12 known substitutes for 5120-01-428-4949: 5905-00-138-4239, 3110-00-156-4878, 5985-00-486-6251 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of J5409A?

Key specifications for J5409A: Material: STEEL OVERALL; Features Provided: MANUAL TOOL; Wrenching Surface Shape: FLAT (SLOTTED) SINGLE END EXTERNAL; Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN. 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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