PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44131Extension,socket Wrench

Sears, Roebuck and Co. Dba Sears Div Sears Commercial · NSN 5120-01-398-7886 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-398-7886 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-398-7886. Primary manufacturer part number: 44131.
Features
  • Extension,socket Wrench — FSC 5120
  • Nondefinitive Spec/std Data: 2 TYPE AND 2 CLASS
  • Drive End Shape: SQUARE FIRST END INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
  • Features Provided: MANUAL TOOL
  • Specification/standard Data: 0U583-SAE AS4283 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Material: STEEL OVERALL
  • Drive Surface Size: 0.500 INCHES NOMINAL BOTH ENDS IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Extension,socket Wrench, cataloged under National Stock Number 5120-01-398-7886, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Sears, Roebuck and Co. Dba Sears Div Sears Commercial. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-398-7886
Primary Part Number44131
Item NameExtension,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSears, Roebuck and Co. Dba Sears Div Sears Commercial
StatusCANCELLED
Nondefinitive Spec/std Data2 TYPE AND 2 CLASS
Drive End ShapeSQUARE FIRST END INTERNAL
Surface TreatmentCHROMIUM OVERALL
Features ProvidedMANUAL TOOL
Specification/standard Data0U583-SAE AS4283 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MaterialSTEEL OVERALL
Drive Surface Size0.500 INCHES NOMINAL BOTH ENDS IN
Style DesignatorRIGID
Drive End ShapeSQUARE SECOND END EXTERNAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
7520-00-161-5664100CP INTERCHANGEABLE
Pencil,mechanical
Dixon Ticonderoga Co
5133-00-266-9229 INTERCHANGEABLE
Drill,twist
5355-00-644-1623 INTERCHANGEABLE
Knob
5962-01-219-985944131.00 INTERCHANGEABLE
Microcircuit,digital
Daytronic Corporation
5360-01-292-941544131 INTERCHANGEABLE
Spring Special
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-546-1021 INTERCHANGEABLE
Valve,press Control
5110-01-658-412044131 INTERCHANGEABLE
Knife,craftsman's
Klein Tools Inc
Cross-Reference Index
Part NumberManufacturer
44131 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
00944131000 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
AS4283 Society of Automotive Engineers Inc (USA)
9-44131 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
73-1206 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
AS4283 Sae International Dba Sae International (USA)
AS4283 TY2CL2 General Services Administration Federal Supply Service (USA)
73-1206 Apex Tool Group, Llc Dba Nicholson (USA)
Related Parts
7520-00-161-5664INTERCHANGEABLE
PENCIL,MECHANICAL
100CP
5133-00-266-9229INTERCHANGEABLE
DRILL,TWIST
5355-00-644-1623INTERCHANGEABLE
KNOB
5962-01-219-9859INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
44131.00
5360-01-292-9415INTERCHANGEABLE
SPRING SPECIAL
44131
4820-01-546-1021INTERCHANGEABLE
VALVE,PRESS CONTROL
5110-01-658-4120INTERCHANGEABLE
KNIFE,CRAFTSMAN'S
44131

Frequently Asked Questions

What is NSN 5120-01-398-7886?

NSN 5120-01-398-7886 is a Extension,socket Wrench, manufactured by Sears, Roebuck and Co. Dba Sears Div Sears Commercial, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-398-7886?

NSN 5120-01-398-7886 has 8 cross-referenced part numbers: 44131 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial), 00944131000 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial), AS4283 (Society of Automotive Engineers Inc), 9-44131 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial), 73-1206 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.) and 3 more.

What NSN replaces 5120-01-398-7886?

There are 7 known substitutes for 5120-01-398-7886: 7520-00-161-5664, 5133-00-266-9229, 5355-00-644-1623 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 44131?

Key specifications for 44131: Overall Length: 6.000 INCHES NOMINAL IN; Nondefinitive Spec/std Data: 2 TYPE AND 2 CLASS; Drive End Shape: SQUARE FIRST END INTERNAL; Surface Treatment: CHROMIUM OVERALL. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-398-7886 still in active supply?

NSN 5120-01-398-7886 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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