PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

509440-67Screw,cap,socket Head

Naval Air Warfare Center Aircraft Division Joint Base Jbmdl · NSN 5305-00-237-6125 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-237-6125 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-237-6125. Primary manufacturer part number: 509440-67.
Features
  • Screw,cap,socket Head — FSC 5305
  • Head Diameter: 0.563 INCHES MAXIMUM IN
  • Internal Drive Style: HEXAGON
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Minimum Tensile Strength: 160000 POUNDS PER SQUARE INCH LBS
  • Hardness Rating: 36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
  • Material Document and Classification: MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL
  • Thread Quantity Per Inch: 16
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 4140 or Steel Comp E4340 or Steel Comp 6150 or Steel Comp 8735 or Steel Comp 8740 Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-237-6125, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Air Warfare Center Aircraft Division Joint Base Jbmdl. Government technical data includes 17 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-237-6125
Primary Part Number509440-67
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNaval Air Warfare Center Aircraft Division Joint Base Jbmdl
StatusACTIVE
Head Diameter0.563 INCHES MAXIMUM IN
Internal Drive StyleHEXAGON
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Minimum Tensile Strength160000 POUNDS PER SQUARE INCH LBS
Hardness Rating36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
Material Document and ClassificationMIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL
Thread Quantity Per Inch16
Width Across Flats0.312 INCHES NOMINAL IN
Thread Class3A A
Nominal Thread Diameter0.375 INCHES IN
Thread Length0.750 INCHES MINIMUM IN
Head Height0.375 INCHES MAXIMUM IN
Fastener Length0.875 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
MaterialSTEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL
Minimum Yield Strength130000 POUNDS PER SQUARE INCH LBS
Head StyleFLAT CHAMFER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5305-00-978-9393 INTERCHANGEABLE
Screw,cap,socket Head
Cross-Reference Index
Part NumberManufacturer
509440-67 PRIMARY Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA)
Related Parts
5305-00-978-9393INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD

Frequently Asked Questions

What is NSN 5305-00-237-6125?

NSN 5305-00-237-6125 is a Screw,cap,socket Head, manufactured by Naval Air Warfare Center Aircraft Division Joint Base Jbmdl, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-237-6125?

NSN 5305-00-237-6125 has 1 cross-referenced part number: 509440-67 (Naval Air Warfare Center Aircraft Division Joint Base Jbmdl).

What NSN replaces 5305-00-237-6125?

There is 1 known substitute for 5305-00-237-6125: 5305-00-978-9393. Verify interchangeability with system specifications before substitution.

What are the specifications of 509440-67?

Key specifications for 509440-67: Head Diameter: 0.563 INCHES MAXIMUM IN; Internal Drive Style: HEXAGON; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Minimum Tensile Strength: 160000 POUNDS PER SQUARE INCH LBS. 17 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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