PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12L3Wrench,plier

Stanley Tools Div of Stanley Works · NSN 5120-01-431-7279 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-431-7279 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-431-7279. Primary manufacturer part number: 12L3.
Features
  • Wrench,plier — FSC 5120
  • Opening Width: 3.125 INCHES MAXIMUM IN
  • Nondefinitive Spec/std Data: 1 TYPE AND 2 CLASS AND B STYLE
  • Style Designator: CURVED JAW
  • Specification/standard Data: 05047-ASME B107.500 CAT24 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Material: STEEL OVERALL
  • 11 verified cross-references
  • Primary manufacturer: Stanley Tools Div of Stanley Works
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,plier, cataloged under National Stock Number 5120-01-431-7279, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Stanley Tools Div of Stanley Works. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 6 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
NSN5120-01-431-7279
Primary Part Number12L3
Item NameWrench,plier
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerStanley Tools Div of Stanley Works
StatusCANCELLED
Opening Width3.125 INCHES MAXIMUM IN
Nondefinitive Spec/std Data1 TYPE AND 2 CLASS AND B STYLE
Style DesignatorCURVED JAW
Specification/standard Data05047-ASME B107.500 CAT24 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5930-00-163-6549 INTERCHANGEABLE
Switch,code Indicating Wheel
5120-00-494-1910702L3 INTERCHANGEABLE
Wrench,plier
Stanley Tools Div of Stanley Works
5120-00-494-191110WR INTERCHANGEABLE
Wrench,plier
Stanley Tools Div of Stanley Works
4720-00-541-88592556-12 INTERCHANGEABLE
Hose,nonmetallic
Danfoss Power Solutions II, Llc
6685-00-807-996612SG INTERCHANGEABLE
Dampener,fluid Pressure
Chemiquip Products Co Inc
5120-00-965-06045WR INTERCHANGEABLE
Wrench,plier
Stanley Tools Div of Stanley Works
5120-01-147-3593 INTERCHANGEABLE
Wrench,plier
5120-01-336-77704WR INTERCHANGEABLE
Wrench,plier
Stanley Tools Div of Stanley Works
5120-01-336-777105T INTERCHANGEABLE
Wrench,plier
Stanley Tools Div of Stanley Works
5120-01-368-4174 INTERCHANGEABLE
Wrench,plier
Cross-Reference Index
Part NumberManufacturer
B107.500 The American Society of Mechanical Engineers (USA)
B107.24 TY1CL2STB General Services Administration Federal Supply Service (USA)
B107.24 The American Society of Mechanical Engineers (USA)
IRW 12LC Kipper Tool Company Dba Kipper Management Inc (USA)
12SG Irwin Industrial Tool Company Dba Irwin Construction Accessories (USA)
B107.500 CAT 24 TY1CL2STB General Services Administration Federal Supply Service (USA)
12LC Irwin Industrial Tool Company Dba Irwin Construction Accessories (USA)
12L3 PRIMARY Stanley Tools Div of Stanley Works (USA)
12SG Irwin Industrial Tool Company (USA)
12L3 Irwin Industrial Tool Company Dba Irwin Construction Accessories (USA)
12LC Irwin Industrial Tool Company (USA)
Related Parts
5930-00-163-6549INTERCHANGEABLE
SWITCH,CODE INDICATING WHEEL
5120-00-494-1910INTERCHANGEABLE
WRENCH,PLIER
702L3
5120-00-494-1911INTERCHANGEABLE
WRENCH,PLIER
10WR
4720-00-541-8859INTERCHANGEABLE
HOSE,NONMETALLIC
2556-12
6685-00-807-9966INTERCHANGEABLE
DAMPENER,FLUID PRESSURE
12SG
5120-00-965-0604INTERCHANGEABLE
WRENCH,PLIER
5WR
5120-01-147-3593INTERCHANGEABLE
WRENCH,PLIER
5120-01-336-7770INTERCHANGEABLE
WRENCH,PLIER
4WR
5120-01-336-7771INTERCHANGEABLE
WRENCH,PLIER
05T
5120-01-368-4174INTERCHANGEABLE
WRENCH,PLIER
5120-01-368-4176INTERCHANGEABLE
WRENCH,PLIER
5120-01-399-9226INTERCHANGEABLE
WRENCH,PLIER
J292WR

Frequently Asked Questions

What is NSN 5120-01-431-7279?

NSN 5120-01-431-7279 is a Wrench,plier, manufactured by Stanley Tools Div of Stanley Works, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-431-7279?

NSN 5120-01-431-7279 has 11 cross-referenced part numbers: B107.500 (The American Society of Mechanical Engineers), B107.24 TY1CL2STB (General Services Administration Federal Supply Service), B107.24 (The American Society of Mechanical Engineers), IRW 12LC (Kipper Tool Company Dba Kipper Management Inc), 12SG (Irwin Industrial Tool Company Dba Irwin Construction Accessories) and 6 more.

What NSN replaces 5120-01-431-7279?

There are 12 known substitutes for 5120-01-431-7279: 5930-00-163-6549, 5120-00-494-1910, 5120-00-494-1911 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12L3?

Key specifications for 12L3: Opening Width: 3.125 INCHES MAXIMUM IN; Nondefinitive Spec/std Data: 1 TYPE AND 2 CLASS AND B STYLE; Special Features: LOCKING PLIERS; SOFT GRIP HANDLES; Style Designator: CURVED JAW. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-431-7279 still in active supply?

NSN 5120-01-431-7279 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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