PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1072942Wrench,box and Open End,combinat

John Zink Company Llc · NSN 5120-01-066-7518 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-066-7518 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-066-7518. Primary manufacturer part number: 1072942.
Features
  • Wrench,box and Open End,combinat — FSC 5120
  • Wrenching Surface Shape: HEXAGON BODY CENTER INTERNAL
  • Material: STEEL OVERALL
  • Wrenching Surface Size: 1.255 INCHES MINIMUM AND 3.188 INCHES MAXIMUM BODY CENTER IN
  • Wrenching Surface Shape: OVAL SECOND END INTERNAL
  • Wrenching Surface Size: 0.578 INCHES MINIMUM AND 0.593 INCHES MAXIMUM FIRST END IN
  • Wrenching Surface Size: 2.016 INCHES MINIMUM AND 2.031 INCHES MAXIMUM SECOND END IN
  • Wrenching Surface Shape: OVAL FIRST END INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,box and Open End,combinat, cataloged under National Stock Number 5120-01-066-7518, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is John Zink Company Llc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-066-7518
Primary Part Number1072942
Item NameWrench,box and Open End,combinat
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerJohn Zink Company Llc
StatusACTIVE
Wrenching Surface ShapeHEXAGON BODY CENTER INTERNAL
MaterialSTEEL OVERALL
Wrenching Surface Size1.255 INCHES MINIMUM AND 3.188 INCHES MAXIMUM BODY CENTER IN
Wrenching Surface ShapeOVAL SECOND END INTERNAL
Wrenching Surface Size0.578 INCHES MINIMUM AND 0.593 INCHES MAXIMUM FIRST END IN
Wrenching Surface Size2.016 INCHES MINIMUM AND 2.031 INCHES MAXIMUM SECOND END IN
Wrenching Surface ShapeOVAL FIRST END INTERNAL
Style DesignatorMULTIPLE SIZE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-827-9139 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-936-9610 INTERCHANGEABLE
Nut,plain,hexagon
Cross-Reference Index
Part NumberManufacturer
W-2-2-17 Todd Combustion Inc (USA)
1072942 PRIMARY John Zink Company Llc (USA)
Related Parts
5310-00-827-9139INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-936-9610INTERCHANGEABLE
NUT,PLAIN,HEXAGON

Frequently Asked Questions

What is NSN 5120-01-066-7518?

NSN 5120-01-066-7518 is a Wrench,box and Open End,combinat, manufactured by John Zink Company Llc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-066-7518?

NSN 5120-01-066-7518 has 2 cross-referenced part numbers: W-2-2-17 (Todd Combustion Inc), 1072942 (John Zink Company Llc).

What NSN replaces 5120-01-066-7518?

There are 2 known substitutes for 5120-01-066-7518: 5310-00-827-9139, 5310-00-936-9610. Verify interchangeability with system specifications before substitution.

What are the specifications of 1072942?

Key specifications for 1072942: Wrenching Surface Shape: HEXAGON BODY CENTER INTERNAL; Overall Length: 12.000 INCHES NOMINAL IN; Material: STEEL OVERALL; Wrenching Surface Size: 1.255 INCHES MINIMUM AND 3.188 INCHES MAXIMUM BODY CENTER IN. 9 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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