PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12812Extension,socket Wrench

Easco Hand Tools Inc · NSN 5120-01-430-7748 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-430-7748 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-430-7748. Primary manufacturer part number: 12812.
Features
  • Extension,socket Wrench — FSC 5120
  • Features Provided: MANUAL TOOL
  • Drive End Shape: SQUARE SECOND END EXTERNAL
  • Drive Surface Size: 0.500 INCHES NOMINAL BOTH ENDS IN
  • Material: STEEL OVERALL
  • Nondefinitive Spec/std Data: 2 TYPE AND 2 CLASS AND A STYLE
  • Surface Treatment: CHROMIUM OVERALL
  • Specification/standard Data: 05047-ASME B107.10 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Applications
  • Applications requiring Steel Overall construction
General Description

The Extension,socket Wrench, cataloged under National Stock Number 5120-01-430-7748, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Easco Hand Tools Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-430-7748
Primary Part Number12812
Item NameExtension,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerEasco Hand Tools Inc
StatusACTIVE
Features ProvidedMANUAL TOOL
Drive End ShapeSQUARE SECOND END EXTERNAL
Drive Surface Size0.500 INCHES NOMINAL BOTH ENDS IN
MaterialSTEEL OVERALL
Nondefinitive Spec/std Data2 TYPE AND 2 CLASS AND A STYLE
Surface TreatmentCHROMIUM OVERALL
Specification/standard Data05047-ASME B107.10 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Drive End ShapeSQUARE FIRST END INTERNAL
Style DesignatorRIGID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3815-00-354-3034 INTERCHANGEABLE
Bar
5340-00-433-3993 INTERCHANGEABLE
Handle,bow
4310-00-690-2487RNG605 INTERCHANGEABLE
Ring,piston
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
6640-00-926-1290 INTERCHANGEABLE
Vortex Mixer,laboratory
6150-01-173-544812812 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
6685-01-533-4816 INTERCHANGEABLE
Indicator,temperature,electrical
5340-01-599-258712812 INTERCHANGEABLE
Plate,mounting
Bae Systems Information & Electronic Systems Integration Inc.
6685-01-654-566212812 INTERCHANGEABLE
Gage,receiver Pressure,pneumatic
Faria Beede Instruments, Inc. Dba Faria Beede Instruments Inc
Cross-Reference Index
Part NumberManufacturer
12812 Easco Hand Tools Inc (USA)
B107.10 TY2CL2STA General Services Administration Federal Supply Service (USA)
12812 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
12812 Apex Tool Group, Llc Dba Nicholson (USA)
B107.10 The American Society of Mechanical Engineers (USA)
Related Parts
3815-00-354-3034INTERCHANGEABLE
BAR
5340-00-433-3993INTERCHANGEABLE
HANDLE,BOW
4310-00-690-2487INTERCHANGEABLE
RING,PISTON
RNG605
6640-00-926-1290INTERCHANGEABLE
VORTEX MIXER,LABORATORY
6150-01-173-5448INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
12812
6685-01-533-4816INTERCHANGEABLE
INDICATOR,TEMPERATURE,ELECTRICAL
5340-01-599-2587INTERCHANGEABLE
PLATE,MOUNTING
12812
6685-01-654-5662INTERCHANGEABLE
GAGE,RECEIVER PRESSURE,PNEUMATIC
12812

Frequently Asked Questions

What is NSN 5120-01-430-7748?

NSN 5120-01-430-7748 is a Extension,socket Wrench, manufactured by Easco Hand Tools Inc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-430-7748?

NSN 5120-01-430-7748 has 5 cross-referenced part numbers: 12812 (Easco Hand Tools Inc), B107.10 TY2CL2STA (General Services Administration Federal Supply Service), 12812 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.), 12812 (Apex Tool Group, Llc Dba Nicholson), B107.10 (The American Society of Mechanical Engineers).

What NSN replaces 5120-01-430-7748?

There are 8 known substitutes for 5120-01-430-7748: 3815-00-354-3034, 5340-00-433-3993, 4310-00-690-2487 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12812?

Key specifications for 12812: Features Provided: MANUAL TOOL; Drive End Shape: SQUARE SECOND END EXTERNAL; Drive Surface Size: 0.500 INCHES NOMINAL BOTH ENDS IN; Material: STEEL OVERALL. 10 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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