PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

54-590Wrench,ratchet

Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. · NSN 5120-01-367-3418 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-367-3418 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-367-3418. Primary manufacturer part number: 54-590.
Features
  • Wrench,ratchet — FSC 5120
  • Wrenching Surface Size: 9.0 MILLIMETERS NOMINAL FIRST END MM
  • Material: STEEL OVERALL
  • Wrenching Surface Size: 10.0 MILLIMETERS NOMINAL SECOND END MM
  • Style Designator: STRAIGHT DOUBLE HEAD
  • Surface Treatment: CHROMIUM OVERALL
  • Wrenching Surface Shape: 6 POINT BOTH ENDS INTERNAL
  • 3 verified cross-references
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,ratchet, cataloged under National Stock Number 5120-01-367-3418, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-367-3418
Primary Part Number54-590
Item NameWrench,ratchet
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerEasco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.
StatusACTIVE
Wrenching Surface Size9.0 MILLIMETERS NOMINAL FIRST END MM
MaterialSTEEL OVERALL
Wrenching Surface Size10.0 MILLIMETERS NOMINAL SECOND END MM
Style DesignatorSTRAIGHT DOUBLE HEAD
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface Shape6 POINT BOTH ENDS INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-01-381-120354590 INTERCHANGEABLE
Washer,flat
Tifco Industries, Inc. Dba Tifco Industries Inc
Cross-Reference Index
Part NumberManufacturer
54-590 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
54-590 Armstrong Bros Tool Co (USA)
54-590 Apex Tool Group, Llc Dba Nicholson (USA)
Related Parts
5310-01-381-1203INTERCHANGEABLE
WASHER,FLAT
54590

Frequently Asked Questions

What is NSN 5120-01-367-3418?

NSN 5120-01-367-3418 is a Wrench,ratchet, manufactured by Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc., classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-367-3418?

NSN 5120-01-367-3418 has 3 cross-referenced part numbers: 54-590 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.), 54-590 (Armstrong Bros Tool Co), 54-590 (Apex Tool Group, Llc Dba Nicholson).

What NSN replaces 5120-01-367-3418?

There is 1 known substitute for 5120-01-367-3418: 5310-01-381-1203. Verify interchangeability with system specifications before substitution.

What are the specifications of 54-590?

Key specifications for 54-590: Wrenching Surface Size: 9.0 MILLIMETERS NOMINAL FIRST END MM; Material: STEEL OVERALL; Wrenching Surface Size: 10.0 MILLIMETERS NOMINAL SECOND END MM; Style Designator: STRAIGHT DOUBLE HEAD. 7 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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