PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51618Wrench,box

Wright Tool Co · NSN 5120-01-425-9265 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-425-9265 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-425-9265. Primary manufacturer part number: 51618.
Features
  • Wrench,box — FSC 5120
  • Wrenching Surface Size: 0.562 INCHES NOMINAL SECOND END IN
  • Wrenching Surface Shape: 12 POINT BOTH ENDS INTERNAL
  • Wrenching End Offset Angle: 10.0 DEGREES NOMINAL
  • Wrenching Surface Size: 0.500 INCHES NOMINAL FIRST END IN
  • Material: STEEL OVERALL
  • Surface Treatment: CHROMIUM OVERALL
  • Style Designator: SHALLOW ANGULAR OFFSET DOUBLE HEAD
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,box, cataloged under National Stock Number 5120-01-425-9265, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-425-9265
Primary Part Number51618
Item NameWrench,box
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerWright Tool Co
StatusACTIVE
Wrenching Surface Size0.562 INCHES NOMINAL SECOND END IN
Wrenching Surface Shape12 POINT BOTH ENDS INTERNAL
Wrenching End Offset Angle10.0 DEGREES NOMINAL
Wrenching Surface Size0.500 INCHES NOMINAL FIRST END IN
MaterialSTEEL OVERALL
Surface TreatmentCHROMIUM OVERALL
Style DesignatorSHALLOW ANGULAR OFFSET DOUBLE HEAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5210-00-050-5705CE-6061 INTERCHANGEABLE
Caliper,micrometer,outside
Cornwell Quality Tools Company, the
5935-00-614-912151618 INTERCHANGEABLE
Connector Assembly,electrical
Hydro-Aire Aerospace Corp
5310-00-660-2810 INTERCHANGEABLE
Nut,plain,wing
5310-00-958-3073 INTERCHANGEABLE
Nut,plain,square
2940-01-057-9691HP2 INTERCHANGEABLE
Filter Element,fluid
Honeywell International Inc Dba Honeywell Div Consumer Products Group
5305-01-254-24585/16-18 INTERCHANGEABLE
Screw,machine
Heimann Mfg Co Inc
Cross-Reference Index
Part NumberManufacturer
51618 PRIMARY Wright Tool Co (USA)
Related Parts
5210-00-050-5705INTERCHANGEABLE
CALIPER,MICROMETER,OUTSIDE
CE-6061
5935-00-614-9121INTERCHANGEABLE
CONNECTOR ASSEMBLY,ELECTRICAL
51618
5310-00-660-2810INTERCHANGEABLE
NUT,PLAIN,WING
5310-00-958-3073INTERCHANGEABLE
NUT,PLAIN,SQUARE
2940-01-057-9691INTERCHANGEABLE
FILTER ELEMENT,FLUID
HP2
5305-01-254-2458INTERCHANGEABLE
SCREW,MACHINE
5/16-18

Frequently Asked Questions

What is NSN 5120-01-425-9265?

NSN 5120-01-425-9265 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 5120-01-425-9265?

NSN 5120-01-425-9265 has 1 cross-referenced part number: 51618 (Wright Tool Co).

What NSN replaces 5120-01-425-9265?

There are 6 known substitutes for 5120-01-425-9265: 5210-00-050-5705, 5935-00-614-9121, 5310-00-660-2810 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51618?

Key specifications for 51618: Wrenching Surface Size: 0.562 INCHES NOMINAL SECOND END IN; Wrenching Surface Shape: 12 POINT BOTH ENDS INTERNAL; Wrenching End Offset Angle: 10.0 DEGREES NOMINAL; Wrenching Surface Size: 0.500 INCHES NOMINAL FIRST END IN. 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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