PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P18Key,socket Head Screw

Apex Tool Group, Llc · NSN 5120-01-325-8510 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-325-8510 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-325-8510. Primary manufacturer part number: P18.
Features
  • Key,socket Head Screw — FSC 5120
  • Material: PLASTIC HANDLE
  • Wrenching Surface Shape: HEXAGON SINGLE END EXTERNAL
  • Blade Length: 1.062 INCHES NOMINAL IN
  • Material: STEEL WRENCHING SURFACE
  • Wrenching Surface Size: 0.028 INCHES NOMINAL SINGLE END IN
  • Style Designator: SCREWDRIVER HANDLE
  • 2 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Handle construction
General Description

The Key,socket Head Screw, cataloged under National Stock Number 5120-01-325-8510, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Apex Tool Group, Llc. Government technical data includes 6 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-325-8510
Primary Part NumberP18
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerApex Tool Group, Llc
StatusACTIVE
MaterialPLASTIC HANDLE
Wrenching Surface ShapeHEXAGON SINGLE END EXTERNAL
Blade Length1.062 INCHES NOMINAL IN
MaterialSTEEL WRENCHING SURFACE
Wrenching Surface Size0.028 INCHES NOMINAL SINGLE END IN
Style DesignatorSCREWDRIVER HANDLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5315-00-238-7157P18 INTERCHANGEABLE
Pin,grooved,headless
Contraves Inc
5670-00-388-7153P18 INTERCHANGEABLE
Partition Panel,wire
Figgie Intl Inc Spaceguard Div
3040-00-400-3077AC250 INTERCHANGEABLE
Clamp,hub
Dynaco Gears Inc
5120-00-529-3101 INTERCHANGEABLE
Screwdriver,cross Tip
5999-00-672-9226P18 INTERCHANGEABLE
Heater,thermal Release
Rockwell Automation, Inc. Dba Rockwell Automation
4730-00-702-6932SAE J531 8 130109AC INTERCHANGEABLE
Plug,pipe
Sae International Dba Sae International
5340-00-826-5984P18 INTERCHANGEABLE
Plug,protective,dust and Moistur
Caplugs Llc Dba Mokon Div Caplugs
4320-01-015-9422P-18 INTERCHANGEABLE
Pump,hydraulic Ram,hand Driven
Enerpac Tool Group Corp
5210-01-102-5394P18 INTERCHANGEABLE
Gage,indicating,internal
Service Diamond Tool Co
4330-01-154-80990155018 P18 INTERCHANGEABLE
Filter Element,fluid
Allied Witan Co Dba Alwitco
Cross-Reference Index
Part NumberManufacturer
P18 Apex Tool Group, Llc (USA)
P18 Apex Tool Group (USA)
Related Parts
5315-00-238-7157INTERCHANGEABLE
PIN,GROOVED,HEADLESS
P18
5670-00-388-7153INTERCHANGEABLE
PARTITION PANEL,WIRE
P18
3040-00-400-3077INTERCHANGEABLE
CLAMP,HUB
AC250
5120-00-529-3101INTERCHANGEABLE
SCREWDRIVER,CROSS TIP
5999-00-672-9226INTERCHANGEABLE
HEATER,THERMAL RELEASE
P18
4730-00-702-6932INTERCHANGEABLE
PLUG,PIPE
SAE J531 8 130109AC
5340-00-826-5984INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
P18
4320-01-015-9422INTERCHANGEABLE
PUMP,HYDRAULIC RAM,HAND DRIVEN
P-18
5210-01-102-5394INTERCHANGEABLE
GAGE,INDICATING,INTERNAL
P18
4330-01-154-8099INTERCHANGEABLE
FILTER ELEMENT,FLUID
0155018 P18
5331-01-475-2744INTERCHANGEABLE
O-RING
20-15-1416
5440-01-656-2472INTERCHANGEABLE
LADDER,EXTENSION
P-18

Frequently Asked Questions

What is NSN 5120-01-325-8510?

NSN 5120-01-325-8510 is a Key,socket Head Screw, manufactured by Apex Tool Group, Llc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-325-8510?

NSN 5120-01-325-8510 has 2 cross-referenced part numbers: P18 (Apex Tool Group, Llc), P18 (Apex Tool Group).

What NSN replaces 5120-01-325-8510?

There are 12 known substitutes for 5120-01-325-8510: 5315-00-238-7157, 5670-00-388-7153, 3040-00-400-3077 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of P18?

Key specifications for P18: Overall Length: 3.500 INCHES NOMINAL IN; Material: PLASTIC HANDLE; Wrenching Surface Shape: HEXAGON SINGLE END EXTERNAL; Blade Length: 1.062 INCHES NOMINAL IN. 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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