PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

63TOOLWrench,open End

American Telephone and Telegraph Co · NSN 5120-00-293-1800 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-293-1800 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-293-1800. Primary manufacturer part number: 63TOOL.
Features
  • Wrench,open End — FSC 5120
  • Large End Head Thickness: 0.094 INCHES NOMINAL IN
  • Style Designator: DOUBLE HEAD ONE END, SINGLE HEAD OFFSET OTHER END
  • Wrenching End Offset Angle: 0.0 DEGREES NOMINAL
  • Wrenching Surface Shape: HEXAGON BOTH ENDS INTERNAL
  • Wrenching Surface Size: 0.375 INCHES NOMINAL SECOND END IN
  • Wrenching Surface Size: 0.312 INCHES NOMINAL AND 0.438 INCHES NOMINAL FIRST END IN
  • Material: STEEL OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,open End, cataloged under National Stock Number 5120-00-293-1800, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is American Telephone and Telegraph Co. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-293-1800
Primary Part Number63TOOL
Item NameWrench,open End
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerAmerican Telephone and Telegraph Co
StatusCANCELLED
Large End Head Thickness0.094 INCHES NOMINAL IN
Style DesignatorDOUBLE HEAD ONE END, SINGLE HEAD OFFSET OTHER END
Wrenching End Offset Angle0.0 DEGREES NOMINAL
Wrenching Surface ShapeHEXAGON BOTH ENDS INTERNAL
Wrenching Surface Size0.375 INCHES NOMINAL SECOND END IN
Wrenching Surface Size0.312 INCHES NOMINAL AND 0.438 INCHES NOMINAL FIRST END IN
MaterialSTEEL OVERALL
Small End Head Thickness0.094 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5330-00-359-0442F5922 INTERCHANGEABLE
Gasket
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
5120-00-763-8136W-631 INTERCHANGEABLE
Wrench,box and Open End,combinat
Ampco Partners, Ltd. Dba Ampco Safety Tools
5999-01-286-2883W63 INTERCHANGEABLE
Heater,thermal Release
Rockwell Automation, Inc. Dba Rockwell Automation
Cross-Reference Index
Part NumberManufacturer
63TOOL American Telephone and Telegraph Co (USA)
63WRENCH American Telephone and Telegraph Co (USA)
W63 Jonard Industries Corporation Dba Jonard Tools (USA)
Related Parts
5330-00-359-0442INTERCHANGEABLE
GASKET
F5922
5120-00-763-8136INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
W-631
5999-01-286-2883INTERCHANGEABLE
HEATER,THERMAL RELEASE
W63

Frequently Asked Questions

What is NSN 5120-00-293-1800?

NSN 5120-00-293-1800 is a Wrench,open End, manufactured by American Telephone and Telegraph Co, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-293-1800?

NSN 5120-00-293-1800 has 3 cross-referenced part numbers: 63TOOL (American Telephone and Telegraph Co), 63WRENCH (American Telephone and Telegraph Co), W63 (Jonard Industries Corporation Dba Jonard Tools).

What NSN replaces 5120-00-293-1800?

There are 3 known substitutes for 5120-00-293-1800: 5330-00-359-0442, 5120-00-763-8136, 5999-01-286-2883. Verify interchangeability with system specifications before substitution.

What are the specifications of 63TOOL?

Key specifications for 63TOOL: Large End Head Thickness: 0.094 INCHES NOMINAL IN; Style Designator: DOUBLE HEAD ONE END, SINGLE HEAD OFFSET OTHER END; Wrenching End Offset Angle: 0.0 DEGREES NOMINAL; Wrenching Surface Shape: HEXAGON BOTH ENDS INTERNAL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-293-1800 still in active supply?

NSN 5120-00-293-1800 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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