PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SX5Extension,socket Wrench

Jan Hermanek · NSN 5120-01-335-1050 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-335-1050 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-335-1050. Primary manufacturer part number: SX5.
Features
  • Extension,socket Wrench — FSC 5120
  • Specification/standard Data: 0U583-SAE AS4283 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Material: STEEL OVERALL
  • Drive End Shape: SQUARE FIRST END INTERNAL
  • Environmental Attribute Code: PLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
  • Style Designator: RIGID
  • Features Provided: MANUAL TOOL
  • Surface Treatment: CHROMIUM OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Extension,socket Wrench, cataloged under National Stock Number 5120-01-335-1050, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Jan Hermanek. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 28 commercial cross-references from 20 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
NSN5120-01-335-1050
Primary Part NumberSX5
Item NameExtension,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerJan Hermanek
StatusCANCELLED
Specification/standard Data0U583-SAE AS4283 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MaterialSTEEL OVERALL
Drive End ShapeSQUARE FIRST END INTERNAL
Environmental Attribute CodePLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
Style DesignatorRIGID
Features ProvidedMANUAL TOOL
Surface TreatmentCHROMIUM OVERALL
Drive End ShapeSQUARE SECOND END EXTERNAL
Drive Surface Size0.500 INCHES NOMINAL BOTH ENDS IN
Nondefinitive Spec/std Data2 TYPE AND 2 CLASS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5950-00-085-0861792-402046 INTERCHANGEABLE
Transformer,pulse
Viasys Respiratory Care Inc. Dba Biosys Healthcare
9540-00-119-9010 INTERCHANGEABLE
Angle,structural
3110-00-142-428710958 INTERCHANGEABLE
Bearing,ball,airframe
Cae Usa Inc.
6240-00-176-5579 INTERCHANGEABLE
Lamp,cartridge
5120-00-243-7326 INTERCHANGEABLE
Extension,socket Wrench
5330-00-254-6519 INTERCHANGEABLE
Gasket
5330-00-349-848965-0821 INTERCHANGEABLE
Packing Set
Bacharach, Inc.
5330-00-355-25575461 INTERCHANGEABLE
Packing Assembly
Mitsubishi Caterpillar Forklift America, Inc
3120-00-398-9333SX5 INTERCHANGEABLE
Bushing,sleeve
Circor Naval Solutions Llc Dba Warren Pumps
7350-00-458-0089EP-BL6 INTERCHANGEABLE
Bowl,eating
Eco-Products, Inc.
Cross-Reference Index
Part NumberManufacturer
SX5 Jan Hermanek (CZE)
AS4283 TY2CL2 General Services Administration Federal Supply Service (USA)
5461B The Stanley Works Dba Stanley Proto (USA)
J5461 Henchman Products Pty Ltd (AUS)
AS4283 Society of Automotive Engineers Inc (USA)
65821 Klein Tools Inc (USA)
B107.10 TY2CL2STA General Services Administration Federal Supply Service (USA)
3687400C1 Nd Defense Llc (USA)
B107.10 The American Society of Mechanical Engineers (USA)
SXK5 Snap-on Tools (australia) Pty Ltd (AUS)
1AM40 W.w. Grainger, Inc. Div Government Sales Division (USA)
3819253 Oshkosh Defense Llc (USA)
J5461 Henchman Group Pty Ltd the Trustee for Henchman Unit Trust (AUS)
AS4283 Sae International Dba Sae International (USA)
SXK5 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
5120PL1076538 Jednolity Indeks Materialowy - Uniform Material Index (POL)
B107.10 TY2CL2ST1 General Services Administration Federal Supply Service (USA)
J5461B The Stanley Works Dba Stanley Proto (USA)
11A7000083-2 Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army (USA)
5F482 W.w. Grainger, Inc. Div Government Sales Division (USA)
Related Parts
5950-00-085-0861INTERCHANGEABLE
TRANSFORMER,PULSE
792-402046
9540-00-119-9010INTERCHANGEABLE
ANGLE,STRUCTURAL
3110-00-142-4287INTERCHANGEABLE
BEARING,BALL,AIRFRAME
10958
6240-00-176-5579INTERCHANGEABLE
LAMP,CARTRIDGE
5120-00-243-7326INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
5330-00-254-6519INTERCHANGEABLE
GASKET
5330-00-349-8489INTERCHANGEABLE
PACKING SET
65-0821
5330-00-355-2557INTERCHANGEABLE
PACKING ASSEMBLY
5461
3120-00-398-9333INTERCHANGEABLE
BUSHING,SLEEVE
SX5
7350-00-458-0089INTERCHANGEABLE
BOWL,EATING
EP-BL6
3110-00-540-4660INTERCHANGEABLE
BEARING,BALL,ANNULAR
206KL
3040-01-026-1008INTERCHANGEABLE
SHOE,PUMP
5461

Frequently Asked Questions

What is NSN 5120-01-335-1050?

NSN 5120-01-335-1050 is a Extension,socket Wrench, manufactured by Jan Hermanek, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-335-1050?

NSN 5120-01-335-1050 has 28 cross-referenced part numbers: SX5 (Jan Hermanek), AS4283 TY2CL2 (General Services Administration Federal Supply Service), 5461B (The Stanley Works Dba Stanley Proto), J5461 (Henchman Products Pty Ltd), AS4283 (Society of Automotive Engineers Inc) and 23 more.

What NSN replaces 5120-01-335-1050?

There are 12 known substitutes for 5120-01-335-1050: 5950-00-085-0861, 9540-00-119-9010, 3110-00-142-4287 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SX5?

Key specifications for SX5: Specification/standard Data: 0U583-SAE AS4283 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Material: STEEL OVERALL; Drive End Shape: SQUARE FIRST END INTERNAL; Environmental Attribute Code: PLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-335-1050 still in active supply?

NSN 5120-01-335-1050 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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