PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

334 2.5Key Set,socket Head Screw

Wiha Quality Tools · NSN 5120-01-718-3784 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-718-3784 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-718-3784. Primary manufacturer part number: 334 2.5.
Features
  • Key Set,socket Head Screw — FSC 5120
  • Material: STEEL
  • Handle Type: TEE
  • 1 verified cross-reference
  • Primary manufacturer: Wiha Quality Tools
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel construction
General Description

The Key Set,socket Head Screw, cataloged under National Stock Number 5120-01-718-3784, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Wiha Quality Tools. 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-718-3784
Primary Part Number334 2.5
Item NameKey Set,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerWiha Quality Tools
StatusACTIVE
MaterialSTEEL
Handle TypeTEE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3020-00-225-151233425 INTERCHANGEABLE
Gear Assembly,worm
Aerocontrolex Group, Inc. Div Talley Actuators
5330-01-287-6633 INTERCHANGEABLE
Seal,plain Encased
5210-01-428-547033-425 INTERCHANGEABLE
Tape,measuring
The Stanley Works Dba Stanley Proto
1680-01-542-550333425 INTERCHANGEABLE
Shaft Assembly,flexible
Ge Aviation Systems Llc Dba Ge Aviation Systems Llc
Cross-Reference Index
Part NumberManufacturer
334 2.5 PRIMARY Wiha Quality Tools (USA)
Related Parts
3020-00-225-1512INTERCHANGEABLE
GEAR ASSEMBLY,WORM
33425
5330-01-287-6633INTERCHANGEABLE
SEAL,PLAIN ENCASED
5210-01-428-5470INTERCHANGEABLE
TAPE,MEASURING
33-425
1680-01-542-5503INTERCHANGEABLE
SHAFT ASSEMBLY,FLEXIBLE
33425

Frequently Asked Questions

What is NSN 5120-01-718-3784?

NSN 5120-01-718-3784 is a Key Set,socket Head Screw, manufactured by Wiha Quality Tools, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-718-3784?

NSN 5120-01-718-3784 has 1 cross-referenced part number: 334 2.5 (Wiha Quality Tools).

What NSN replaces 5120-01-718-3784?

There are 4 known substitutes for 5120-01-718-3784: 3020-00-225-1512, 5330-01-287-6633, 5210-01-428-5470 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 334 2.5?

Key specifications for 334 2.5: End Item Identification: KF-16 MTS; Material: STEEL; Part Name Assigned by Controlling Agency: HEX DRIVER WITH T HANDLE; Overall Length: 126.0 MILLIMETERS NOMINAL MM. 6 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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