PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

57018Key,socket Head Screw

Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. · NSN 5120-01-335-2116 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-335-2116 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-335-2116. Primary manufacturer part number: 57018.
Features
  • Key,socket Head Screw — FSC 5120
  • Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Material: STEEL OVERALL
  • Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL
  • Style Designator: L-HANDLE
  • Long Arm Length: 2.375 INCHES NOMINAL IN
  • Wrenching Surface Size: 0.141 INCHES NOMINAL BOTH ENDS IN
  • Surface Treatment: OXIDE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Key,socket Head Screw, cataloged under National Stock Number 5120-01-335-2116, 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 9 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-335-2116
Primary Part Number57018
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerEasco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.
StatusACTIVE
Specification/standard Data05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MaterialSTEEL OVERALL
Wrenching Surface ShapeHEXAGON BOTH ENDS EXTERNAL
Style DesignatorL-HANDLE
Long Arm Length2.375 INCHES NOMINAL IN
Wrenching Surface Size0.141 INCHES NOMINAL BOTH ENDS IN
Surface TreatmentOXIDE OVERALL
Features ProvidedSHORT SERIES
Short Arm Length0.812 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5210-00-266-70475210-00-266-7047 INTERCHANGEABLE
Dividers,mechanics'
General Services Administration Federal Supply Service
5120-00-889-21637122A19 INTERCHANGEABLE
Key,socket Head Screw
Mcmaster-Carr Supply Co
5120-01-397-588115109 INTERCHANGEABLE
Key,socket Head Screw
Eklind Tool Co
Cross-Reference Index
Part NumberManufacturer
57018 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
B18.3 The American Society of Mechanical Engineers (USA)
Related Parts
5210-00-266-7047INTERCHANGEABLE
DIVIDERS,MECHANICS'
5210-00-266-7047
5120-00-889-2163INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
7122A19
5120-01-397-5881INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
15109

Frequently Asked Questions

What is NSN 5120-01-335-2116?

NSN 5120-01-335-2116 is a Key,socket Head Screw, 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 5120-01-335-2116?

NSN 5120-01-335-2116 has 2 cross-referenced part numbers: 57018 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.), B18.3 (The American Society of Mechanical Engineers).

What NSN replaces 5120-01-335-2116?

There are 3 known substitutes for 5120-01-335-2116: 5210-00-266-7047, 5120-00-889-2163, 5120-01-397-5881. Verify interchangeability with system specifications before substitution.

What are the specifications of 57018?

Key specifications for 57018: Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Material: STEEL OVERALL; Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL; Style Designator: L-HANDLE. 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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