PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4524Extension Set,socket Wrench

S K Hand Tool Corp · NSN 5120-01-562-0812 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-562-0812 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-562-0812. Primary manufacturer part number: 4524.
Features
  • Extension Set,socket Wrench — FSC 5120
  • Nonsupply Items and Quantities: CONTAINS 1 EA CHROME PLATED; 3/8 IN. FEMALE SQ DRIVE EXTENSIONS SIZE 1.5, 3, 6 AND 12 IN. LG IN
  • Component Quantity: 4
  • 1 verified cross-reference
  • Primary manufacturer: S K Hand Tool Corp
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Extension Set,socket Wrench, cataloged under National Stock Number 5120-01-562-0812, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is S K Hand Tool Corp. Government technical data includes 2 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-562-0812
Primary Part Number4524
Item NameExtension Set,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerS K Hand Tool Corp
StatusACTIVE
Nonsupply Items and QuantitiesCONTAINS 1 EA CHROME PLATED; 3/8 IN. FEMALE SQ DRIVE EXTENSIONS SIZE 1.5, 3, 6 AND 12 IN. LG IN
Component Quantity4
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-012-0423100153 INTERCHANGEABLE
Washer,lock
Mcculloch Corp
6240-00-155-8654 INTERCHANGEABLE
Lamp,incandescent
5830-00-489-95614524 INTERCHANGEABLE
Intercommunication Station
Danfoss Inc
6625-00-866-9195 INTERCHANGEABLE
Meter,audio Level
4520-00-997-9932 INTERCHANGEABLE
Heating Element,electrical,nonim
1680-01-101-9116 INTERCHANGEABLE
Guide Plug
5985-01-348-43891700AS1366-3 INTERCHANGEABLE
Attenuator,fixed
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
5210-01-434-9758452-4 INTERCHANGEABLE
Caliper,outside
General Tools Manufacturing Co., Llc.
6105-01-498-82684524 INTERCHANGEABLE
Plate,stator Support Phelon
Amw Cuyuna Engine Co. Inc Dba Two Stroke International
6625-01-573-60084524 INTERCHANGEABLE
Absorber,radio Frequency Radiati
Laird R & F Products, Inc.
Cross-Reference Index
Part NumberManufacturer
4524 PRIMARY S K Hand Tool Corp (USA)
Related Parts
5310-00-012-0423INTERCHANGEABLE
WASHER,LOCK
100153
6240-00-155-8654INTERCHANGEABLE
LAMP,INCANDESCENT
5830-00-489-9561INTERCHANGEABLE
INTERCOMMUNICATION STATION
4524
6625-00-866-9195INTERCHANGEABLE
METER,AUDIO LEVEL
4520-00-997-9932INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
1680-01-101-9116INTERCHANGEABLE
GUIDE PLUG
5985-01-348-4389INTERCHANGEABLE
ATTENUATOR,FIXED
1700AS1366-3
5210-01-434-9758INTERCHANGEABLE
CALIPER,OUTSIDE
452-4
6105-01-498-8268INTERCHANGEABLE
PLATE,STATOR SUPPORT PHELON
4524
6625-01-573-6008INTERCHANGEABLE
ABSORBER,RADIO FREQUENCY RADIATI
4524
6105-01-589-1215INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
WEC-4524-07-TEF
5998-01-696-4042INTERCHANGEABLE
EXTENDER CARD,ELECTRONIC TEST
4524

Frequently Asked Questions

What is NSN 5120-01-562-0812?

NSN 5120-01-562-0812 is a Extension Set,socket Wrench, manufactured by S K Hand Tool Corp, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-562-0812?

NSN 5120-01-562-0812 has 1 cross-referenced part number: 4524 (S K Hand Tool Corp).

What NSN replaces 5120-01-562-0812?

There are 12 known substitutes for 5120-01-562-0812: 5310-00-012-0423, 6240-00-155-8654, 5830-00-489-9561 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4524?

Key specifications for 4524: Nonsupply Items and Quantities: CONTAINS 1 EA CHROME PLATED; 3/8 IN. FEMALE SQ DRIVE EXTENSIONS SIZE 1.5, 3, 6 AND 12 IN. LG IN; Special Features: WOBBLE TYPE; Component Quantity: 4. 3 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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