PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B107.6Wrench,open End

The American Society of Mechanical Engineers · NSN 5120-00-449-8141 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-449-8141 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-449-8141. Primary manufacturer part number: B107.6.
Features
  • Wrench,open End — FSC 5120
  • Small End Head Thickness: 0.750 INCHES NOMINAL IN
  • Wrenching Surface Size: 1.688 INCHES NOMINAL SECOND END IN
  • Departure From Cited Document: AS MODIFIED BY OVERALL LENGTH
  • Nondefinitive Spec/std Data: 1 TYPE
  • Specification/standard Data: 05047-ASME B107.100 CAT 39 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Style Designator: DOUBLE HEAD
  • Wrenching Surface Shape: OVAL BOTH ENDS INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,open End, cataloged under National Stock Number 5120-00-449-8141, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 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
NSN5120-00-449-8141
Primary Part NumberB107.6
Item NameWrench,open End
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe American Society of Mechanical Engineers
StatusCANCELLED
Small End Head Thickness0.750 INCHES NOMINAL IN
Wrenching Surface Size1.688 INCHES NOMINAL SECOND END IN
Departure From Cited DocumentAS MODIFIED BY OVERALL LENGTH
Nondefinitive Spec/std Data1 TYPE
Specification/standard Data05047-ASME B107.100 CAT 39 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Style DesignatorDOUBLE HEAD
Wrenching Surface ShapeOVAL BOTH ENDS INTERNAL
MaterialSTEEL OVERALL
Wrenching Surface Size1.312 INCHES NOMINAL FIRST END IN
Small End Head Angle15.0 DEGREES NOMINAL
Large End Head Angle15.0 DEGREES NOMINAL
Large End Head Thickness0.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-108-3813G1108KLLB+COLFS381A INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
3020-00-110-397240A-3210W INTERCHANGEABLE
Sprocket Wheel
Eriez Magnetics
5945-00-225-545340A INTERCHANGEABLE
Chopper,electronic
Sensata Technologies Maryland, Inc
4820-00-287-31933-9-3V INTERCHANGEABLE
Valve,gate
Gas Equipment Engineering Corporation, the Dba Geeco
5330-00-349-814640A INTERCHANGEABLE
Gasket
Wakmann Watch Company Inc
4820-00-428-30944027V4D INTERCHANGEABLE
Valve,gate
United Catalysts Inc
6240-00-797-900040A115V INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
4820-00-818-1272488-3-8 INTERCHANGEABLE
Valve,gate
United Catalysts Inc
4820-00-835-0580 INTERCHANGEABLE
Valve,gate
4820-00-838-2274 INTERCHANGEABLE
Valve,gate
Cross-Reference Index
Part NumberManufacturer
B107.6 The American Society of Mechanical Engineers (USA)
40A Trw Inc Hand Tools Div Trw Industrial Products Group (USA)
B107.39 TY1CL1 General Services Administration Federal Supply Service (USA)
B107.39 The American Society of Mechanical Engineers (USA)
B107.100 CAT 39 TY1 General Services Administration Federal Supply Service (USA)
GGG-W-636 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
GGG-W-636 TY4 General Services Administration Federal Supply Service (USA)
B107.100 The American Society of Mechanical Engineers (USA)
Related Parts
3110-00-108-3813INTERCHANGEABLE
BEARING,BALL,ANNULAR
G1108KLLB+COLFS381A
3020-00-110-3972INTERCHANGEABLE
SPROCKET WHEEL
40A-3210W
5945-00-225-5453INTERCHANGEABLE
CHOPPER,ELECTRONIC
40A
4820-00-287-3193INTERCHANGEABLE
VALVE,GATE
3-9-3V
5330-00-349-8146INTERCHANGEABLE
GASKET
40A
4820-00-428-3094INTERCHANGEABLE
VALVE,GATE
4027V4D
6240-00-797-9000INTERCHANGEABLE
LAMP,INCANDESCENT
40A115V
4820-00-818-1272INTERCHANGEABLE
VALVE,GATE
488-3-8
4820-00-835-0580INTERCHANGEABLE
VALVE,GATE
4820-00-838-2274INTERCHANGEABLE
VALVE,GATE
8125-00-933-4414INTERCHANGEABLE
BOTTLE,SCREW CAP
986590
6240-01-097-8344INTERCHANGEABLE
LAMP,INCANDESCENT
40A(120V)

Frequently Asked Questions

What is NSN 5120-00-449-8141?

NSN 5120-00-449-8141 is a Wrench,open End, manufactured by The American Society of Mechanical Engineers, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-449-8141?

NSN 5120-00-449-8141 has 8 cross-referenced part numbers: B107.6 (The American Society of Mechanical Engineers), 40A (Trw Inc Hand Tools Div Trw Industrial Products Group), B107.39 TY1CL1 (General Services Administration Federal Supply Service), B107.39 (The American Society of Mechanical Engineers), B107.100 CAT 39 TY1 (General Services Administration Federal Supply Service) and 3 more.

What NSN replaces 5120-00-449-8141?

There are 12 known substitutes for 5120-00-449-8141: 3110-00-108-3813, 3020-00-110-3972, 5945-00-225-5453 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B107.6?

Key specifications for B107.6: Small End Head Thickness: 0.750 INCHES NOMINAL IN; Wrenching Surface Size: 1.688 INCHES NOMINAL SECOND END IN; Departure From Cited Document: AS MODIFIED BY OVERALL LENGTH; Nondefinitive Spec/std Data: 1 TYPE. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-449-8141 still in active supply?

NSN 5120-00-449-8141 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.
PartsTable Design LLC · partstable.com