PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51416Wrench,box

Wright Tool Co · NSN 5120-01-425-9226 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-425-9226 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-425-9226. Primary manufacturer part number: 51416.
Features
  • Wrench,box — FSC 5120
  • Wrenching Surface Size: 0.438 INCHES NOMINAL FIRST END IN
  • Wrenching Surface Size: 0.500 INCHES NOMINAL SECOND END IN
  • Wrenching Surface Shape: 12 POINT BOTH ENDS INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
  • Material: STEEL OVERALL
  • Style Designator: SHALLOW ANGULAR OFFSET DOUBLE HEAD
  • Wrenching End Offset Angle: 10.0 DEGREES NOMINAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,box, cataloged under National Stock Number 5120-01-425-9226, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Wright Tool Co. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-425-9226
Primary Part Number51416
Item NameWrench,box
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerWright Tool Co
StatusACTIVE
Wrenching Surface Size0.438 INCHES NOMINAL FIRST END IN
Wrenching Surface Size0.500 INCHES NOMINAL SECOND END IN
Wrenching Surface Shape12 POINT BOTH ENDS INTERNAL
Surface TreatmentCHROMIUM OVERALL
MaterialSTEEL OVERALL
Style DesignatorSHALLOW ANGULAR OFFSET DOUBLE HEAD
Wrenching End Offset Angle10.0 DEGREES NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5136-00-156-3027 INTERCHANGEABLE
Chasers,thread Cutting
5365-00-356-3487 INTERCHANGEABLE
Spacer,sleeve
4130-01-332-8981 INTERCHANGEABLE
Evaporator Coil,refrigeration
5120-01-428-514051-616 INTERCHANGEABLE
Hammer,hand
The Stanley Works Dba Stanley Proto
Cross-Reference Index
Part NumberManufacturer
51416 PRIMARY Wright Tool Co (USA)
Related Parts
5136-00-156-3027INTERCHANGEABLE
CHASERS,THREAD CUTTING
5365-00-356-3487INTERCHANGEABLE
SPACER,SLEEVE
4130-01-332-8981INTERCHANGEABLE
EVAPORATOR COIL,REFRIGERATION
5120-01-428-5140INTERCHANGEABLE
HAMMER,HAND
51-616

Frequently Asked Questions

What is NSN 5120-01-425-9226?

NSN 5120-01-425-9226 is a Wrench,box, manufactured by Wright Tool Co, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-425-9226?

NSN 5120-01-425-9226 has 1 cross-referenced part number: 51416 (Wright Tool Co).

What NSN replaces 5120-01-425-9226?

There are 4 known substitutes for 5120-01-425-9226: 5136-00-156-3027, 5365-00-356-3487, 4130-01-332-8981 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51416?

Key specifications for 51416: Overall Length: 8.188 INCHES NOMINAL IN; Wrenching Surface Size: 0.438 INCHES NOMINAL FIRST END IN; Wrenching Surface Size: 0.500 INCHES NOMINAL SECOND END IN; Wrenching Surface Shape: 12 POINT BOTH ENDS INTERNAL. 8 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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