PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AL9Key,socket Head Screw

Vaco Products Co · NSN 5120-00-829-8585 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-829-8585 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-829-8585. Primary manufacturer part number: AL9.
Features
  • Key,socket Head Screw — FSC 5120
  • Blade Length: 4.000 INCHES NOMINAL IN
  • Material: STEEL WRENCHING SURFACE
  • Style Designator: SCREWDRIVER HANDLE
  • Wrenching Surface Size: 0.141 INCHES NOMINAL SINGLE END IN
  • Wrenching Surface Shape: HEXAGON SINGLE END EXTERNAL
  • Material: PLASTIC HANDLE
  • Surface Treatment: OXIDE WRENCHING SURFACE
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Wrenching Surface construction
General Description

The Key,socket Head Screw, cataloged under National Stock Number 5120-00-829-8585, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Vaco Products Co. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-829-8585
Primary Part NumberAL9
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerVaco Products Co
StatusACTIVE
Blade Length4.000 INCHES NOMINAL IN
MaterialSTEEL WRENCHING SURFACE
Style DesignatorSCREWDRIVER HANDLE
Wrenching Surface Size0.141 INCHES NOMINAL SINGLE END IN
Wrenching Surface ShapeHEXAGON SINGLE END EXTERNAL
MaterialPLASTIC HANDLE
Surface TreatmentOXIDE WRENCHING SURFACE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2920-00-542-1320 INTERCHANGEABLE
Spark Plug
6105-00-854-7960413242-1 INTERCHANGEABLE
Motor,control
Raytheon Company Dba Raytheon
6135-00-985-7845003-360013R00 INTERCHANGEABLE
Battery,nonrechargeable
Insitu, Inc.
3110-01-281-8906AL9 INTERCHANGEABLE
Bearing,ball,annular
Circor Naval Solutions Llc Dba Warren Pumps
5950-01-351-4768872248-1 INTERCHANGEABLE
Reactor
Drs Sustainment Systems Inc
Cross-Reference Index
Part NumberManufacturer
AL9 Vaco Products Co (USA)
AL9 Klein Tools Inc (USA)
LN964 Apex Tool Group, Llc (USA)
LN964 Apex Tool Group (USA)
Related Parts
2920-00-542-1320INTERCHANGEABLE
SPARK PLUG
6105-00-854-7960INTERCHANGEABLE
MOTOR,CONTROL
413242-1
6135-00-985-7845INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
003-360013R00
3110-01-281-8906INTERCHANGEABLE
BEARING,BALL,ANNULAR
AL9
5950-01-351-4768INTERCHANGEABLE
REACTOR
872248-1

Frequently Asked Questions

What is NSN 5120-00-829-8585?

NSN 5120-00-829-8585 is a Key,socket Head Screw, manufactured by Vaco Products Co, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-829-8585?

NSN 5120-00-829-8585 has 4 cross-referenced part numbers: AL9 (Vaco Products Co), AL9 (Klein Tools Inc), LN964 (Apex Tool Group, Llc), LN964 (Apex Tool Group).

What NSN replaces 5120-00-829-8585?

There are 5 known substitutes for 5120-00-829-8585: 2920-00-542-1320, 6105-00-854-7960, 6135-00-985-7845 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AL9?

Key specifications for AL9: Blade Length: 4.000 INCHES NOMINAL IN; Material: STEEL WRENCHING SURFACE; Style Designator: SCREWDRIVER HANDLE; Overall Length: 7.125 INCHES NOMINAL 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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