PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40126Socket,socket Wrench

S K Hand Tool Corp · NSN 5120-00-189-7933 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-189-7933 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-189-7933. Primary manufacturer part number: 40126.
Features
  • Socket,socket Wrench — FSC 5120
  • Style Designator: INTERNAL-INTERNAL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Wrenching Surface Size: 0.812 INCHES NOMINAL SINGLE END IN
  • Special Markings: 13/16 IN. IN
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Material: STEEL OVERALL
  • Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-00-189-7933, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 13 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
NSN5120-00-189-7933
Primary Part Number40126
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerS K Hand Tool Corp
StatusCANCELLED
Style DesignatorINTERNAL-INTERNAL
Drive End ShapeSQUARE SINGLE END INTERNAL
Wrenching Surface Size0.812 INCHES NOMINAL SINGLE END IN
Special Markings13/16 IN. IN
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
MaterialSTEEL OVERALL
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND A STYLE
Surface TreatmentCHROMIUM OVERALL
Features ProvidedMANUAL TOOL
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6920-00-063-5929A26 INTERCHANGEABLE
Target,bull's-Eye
National Target Company, Inc.
6105-00-137-6392A26 INTERCHANGEABLE
Motor,control
Mpc Products Corporation Dba Woodward Mpc, Inc.
2540-00-147-208011641068 INTERCHANGEABLE
Handle,window Regulator,vehicula
Am General Llc
3110-00-155-67361210MF INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
5120-00-189-7913 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7914 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7917 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7924 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7927 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7932 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
40126 S K Hand Tool Corp (USA)
97-3838 Martin Sprocket and Gear Inc (USA)
41W3021 General Stores Supply Office (USA)
A-26 Utica Tool Co Inc (USA)
B107.1 CL1STA General Services Administration Federal Supply Service (USA)
B107.1 TY1CL1 General Services Administration Federal Supply Service (USA)
ST-1226 Martin Sprocket and Gear Inc (USA)
AS954 Sae International Dba Sae International (USA)
A-A-1399 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AS954 Society of Automotive Engineers Inc (USA)
AS954 TY1CL1STA General Services Administration Federal Supply Service (USA)
34226-01 Utica Tool Co Inc (USA)
TD3289A Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
GGG-W-641 TY2CL2STA General Services Administration Federal Supply Service (USA)
ST1226 Trw Inc Hand Tools Div Trw Industrial Products Group (USA)
B107.1 The American Society of Mechanical Engineers (USA)
GGG-W-641 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
TD3289A Fairbanks Morse, Llc (USA)
Related Parts
6920-00-063-5929INTERCHANGEABLE
TARGET,BULL'S-EYE
A26
6105-00-137-6392INTERCHANGEABLE
MOTOR,CONTROL
A26
2540-00-147-2080INTERCHANGEABLE
HANDLE,WINDOW REGULATOR,VEHICULA
11641068
3110-00-155-6736INTERCHANGEABLE
BEARING,BALL,ANNULAR
1210MF
5120-00-189-7913INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7914INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7917INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7924INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7927INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7932INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7934INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7935INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5120-00-189-7933?

NSN 5120-00-189-7933 is a Socket,socket Wrench, manufactured by S K Hand Tool Corp, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-189-7933?

NSN 5120-00-189-7933 has 18 cross-referenced part numbers: 40126 (S K Hand Tool Corp), 97-3838 (Martin Sprocket and Gear Inc), 41W3021 (General Stores Supply Office), A-26 (Utica Tool Co Inc), B107.1 CL1STA (General Services Administration Federal Supply Service) and 13 more.

What NSN replaces 5120-00-189-7933?

There are 12 known substitutes for 5120-00-189-7933: 6920-00-063-5929, 6105-00-137-6392, 2540-00-147-2080 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40126?

Key specifications for 40126: Style Designator: INTERNAL-INTERNAL; Drive End Shape: SQUARE SINGLE END INTERNAL; Wrenching Surface Size: 0.812 INCHES NOMINAL SINGLE END IN; Overall Length: 1.780 INCHES MAXIMUM IN. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-189-7933 still in active supply?

NSN 5120-00-189-7933 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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