PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

J5241Screwdriver Attachment,socket Wr

The Stanley Works Dba Stanley Proto · NSN 5120-01-399-9813 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-399-9813 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-399-9813. Primary manufacturer part number: J5241.
Features
  • Screwdriver Attachment,socket Wr — FSC 5120
  • Wrenching Surface Shape: PHILLIPS (CROSS) SINGLE END EXTERNAL
  • Style Designator: PHILLIPS (CROSS)
  • Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
  • Material: STEEL OVERALL
  • Tip Size Designation: 2
  • Features Provided: MANUAL TOOL
  • 5 verified cross-references
Applications
  • Applications requiring Steel Overall construction
General Description

The Screwdriver Attachment,socket Wr, cataloged under National Stock Number 5120-01-399-9813, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 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
NSN5120-01-399-9813
Primary Part NumberJ5241
Item NameScrewdriver Attachment,socket Wr
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe Stanley Works Dba Stanley Proto
StatusCANCELLED
Wrenching Surface ShapePHILLIPS (CROSS) SINGLE END EXTERNAL
Style DesignatorPHILLIPS (CROSS)
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
MaterialSTEEL OVERALL
Tip Size Designation2
Features ProvidedMANUAL TOOL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2940-00-360-7962146541 INTERCHANGEABLE
Cover,fluid Filter
Honeywell International Inc Dba Honeywell Div Consumer Products Group
5950-00-392-6710SM-C-178688 INTERCHANGEABLE
Transformer,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5935-00-804-5815 INTERCHANGEABLE
Adapter,connector
6605-00-865-8785 INTERCHANGEABLE
Indicator,navigational
5998-01-020-1650524-1 INTERCHANGEABLE
Circuit Card Assembly
Marc Alan Group the, Inc
5955-01-046-265652-4-1 INTERCHANGEABLE
Crystal Unit,quartz
Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled
4730-01-057-7268 INTERCHANGEABLE
Elbow,pipe to Hose
4820-01-127-2559803-2177934-B116AF INTERCHANGEABLE
Valve,globe
Naval Ship Systems Command
5940-01-147-679710RC-2577 INTERCHANGEABLE
Terminal,quick Disconnect
Abb Installation Products Inc
6515-01-255-82145241 INTERCHANGEABLE
Mask,oronasal
Salter Labs, Llc Dba Salter Labs
Cross-Reference Index
Part NumberManufacturer
1AH93 W.w. Grainger, Inc. Div Government Sales Division (USA)
J5241 PRIMARY The Stanley Works Dba Stanley Proto (USA)
426J01 W.w. Grainger, Inc. Div Government Sales Division (USA)
STP 5241 Kipper Tool Company Dba Kipper Management Inc (USA)
5241 The Stanley Works Dba Stanley Proto (USA)
Related Parts
2940-00-360-7962INTERCHANGEABLE
COVER,FLUID FILTER
146541
5950-00-392-6710INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SM-C-178688
5935-00-804-5815INTERCHANGEABLE
ADAPTER,CONNECTOR
6605-00-865-8785INTERCHANGEABLE
INDICATOR,NAVIGATIONAL
5998-01-020-1650INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
524-1
5955-01-046-2656INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
52-4-1
4730-01-057-7268INTERCHANGEABLE
ELBOW,PIPE TO HOSE
4820-01-127-2559INTERCHANGEABLE
VALVE,GLOBE
803-2177934-B116AF
5940-01-147-6797INTERCHANGEABLE
TERMINAL,QUICK DISCONNECT
10RC-2577
6515-01-255-8214INTERCHANGEABLE
MASK,ORONASAL
5241
5331-01-284-0869INTERCHANGEABLE
O-RING
05241
4240-01-334-1188INTERCHANGEABLE
RESPIRATOR,AIR FILTERING

Frequently Asked Questions

What is NSN 5120-01-399-9813?

NSN 5120-01-399-9813 is a Screwdriver Attachment,socket Wr, 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 5120-01-399-9813?

NSN 5120-01-399-9813 has 5 cross-referenced part numbers: 1AH93 (W.w. Grainger, Inc. Div Government Sales Division), J5241 (The Stanley Works Dba Stanley Proto), 426J01 (W.w. Grainger, Inc. Div Government Sales Division), STP 5241 (Kipper Tool Company Dba Kipper Management Inc), 5241 (The Stanley Works Dba Stanley Proto).

What NSN replaces 5120-01-399-9813?

There are 12 known substitutes for 5120-01-399-9813: 2940-00-360-7962, 5950-00-392-6710, 5935-00-804-5815 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of J5241?

Key specifications for J5241: Overall Length: 1.969 INCHES NOMINAL IN; Wrenching Surface Shape: PHILLIPS (CROSS) SINGLE END EXTERNAL; Style Designator: PHILLIPS (CROSS); Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-399-9813 still in active supply?

NSN 5120-01-399-9813 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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