PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

67666Bolt,internal Wrenching

Parker Hannifin Corporation Div Hydraulic Systems Division · NSN 5306-00-177-5324 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-177-5324 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-177-5324. Primary manufacturer part number: 67666.
Features
  • Bolt,internal Wrenching — FSC 5306
  • Head Diameter: 0.176 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN
  • Head Height: 0.108 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Hardness Rating: 38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
  • Minimum Tensile Strength: 170000 POUNDS PER SQUARE INCH LBS
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Hole Configuration Style: HEXAGON FLATS
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 410 Overall construction
General Description

The Bolt,internal Wrenching, cataloged under National Stock Number 5306-00-177-5324, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Parker Hannifin Corporation Div Hydraulic Systems Division. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5306-00-177-5324
Primary Part Number67666
Item NameBolt,internal Wrenching
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Hydraulic Systems Division
StatusCANCELLED
Head Diameter0.176 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN
Head Height0.108 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Hardness Rating38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
Minimum Tensile Strength170000 POUNDS PER SQUARE INCH LBS
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Hole Configuration StyleHEXAGON FLATS
Hole Diameter0.036 INCHES NOMINAL IN
Hole Quantity1
Thread Class3A A
Internal Drive StyleHEXAGON
Fastener Length0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
Thread Length0.309 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
MaterialSTEEL COMP 410 OVERALL
Thread DirectionRIGHT-HAND
Nominal Thread Diameter0.112 INCHES IN
Thread Quantity Per Inch40
Width Across Flats0.094 INCHES NOMINAL IN
Hole TypeDRILLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
No Item Name Available
9540-00-726-31871418083 INTERCHANGEABLE
Angle,structural
The Boeing Company
Cross-Reference Index
Part NumberManufacturer
67666 Denison Hydraulics France SAS (FRA)
67666 Parker Hannifin France SAS (FRA)
67666 PRIMARY Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
Related Parts
5306-00-724-0429SUCCESSOR
NO ITEM NAME AVAILABLE
9540-00-726-3187INTERCHANGEABLE
ANGLE,STRUCTURAL
1418083

Frequently Asked Questions

What is NSN 5306-00-177-5324?

NSN 5306-00-177-5324 is a Bolt,internal Wrenching, manufactured by Parker Hannifin Corporation Div Hydraulic Systems Division, classified under FSC 5306 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5306-00-177-5324?

NSN 5306-00-177-5324 has 3 cross-referenced part numbers: 67666 (Denison Hydraulics France SAS), 67666 (Parker Hannifin France SAS), 67666 (Parker Hannifin Corporation Div Hydraulic Systems Division).

What NSN replaces 5306-00-177-5324?

There are 2 known substitutes for 5306-00-177-5324: 5306-00-724-0429, 9540-00-726-3187. Verify interchangeability with system specifications before substitution.

What are the specifications of 67666?

Key specifications for 67666: Head Diameter: 0.176 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN; Head Height: 0.108 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Hardness Rating: 38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-177-5324 still in active supply?

NSN 5306-00-177-5324 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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