PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

590606Key,socket Head Screw

Genius Tools Americas Corp · NSN 5120-01-642-4878 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-642-4878 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-642-4878. Primary manufacturer part number: 590606.
Features
  • Key,socket Head Screw — FSC 5120
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
  • Criticality Code Justification: ZZZY
  • 1 verified cross-reference
  • Primary manufacturer: Genius Tools Americas Corp
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Key,socket Head Screw, cataloged under National Stock Number 5120-01-642-4878, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Genius Tools Americas Corp. Government technical data includes 2 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-642-4878
Primary Part Number590606
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGenius Tools Americas Corp
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6350-01-117-7831 INTERCHANGEABLE
Horn,signal
5342-01-136-9268590606 INTERCHANGEABLE
Pulley Assembly,crown
Eastman Kodak Co
Cross-Reference Index
Part NumberManufacturer
590606 Genius Tools Americas Corp (USA)
Related Parts
6350-01-117-7831INTERCHANGEABLE
HORN,SIGNAL
5342-01-136-9268INTERCHANGEABLE
PULLEY ASSEMBLY,CROWN
590606

Frequently Asked Questions

What is NSN 5120-01-642-4878?

NSN 5120-01-642-4878 is a Key,socket Head Screw, manufactured by Genius Tools Americas Corp, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-642-4878?

NSN 5120-01-642-4878 has 1 cross-referenced part number: 590606 (Genius Tools Americas Corp).

What NSN replaces 5120-01-642-4878?

There are 2 known substitutes for 5120-01-642-4878: 6350-01-117-7831, 5342-01-136-9268. Verify interchangeability with system specifications before substitution.

What are the specifications of 590606?

Key specifications for 590606: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS; Criticality Code Justification: ZZZY. 2 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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