MS27039-4-12 Alloy Steel Screw, 4-28 Thread Size, 25⁄32" Length

The MS27039-4-12 is a high-quality cross recessed machine screw designed for reliable fastening in aerospace applications. It supersedes the NAS 220 Brazier head and AN525 screws, offering enhanced performance with its cadmium-plated alloy steel construction. This screw features a washer head for improved load distribution and is ideal for use in environments requiring durability and resistance to corrosion.

Features
• Cross recessed design for easy installation and removal.
• Washer head for better load distribution.
• Available in cadmium-plated alloy steel and heat/corrosion-resistant steel options.

Benefits
• Ensures secure fastening in critical aerospace applications.
• Resistant to corrosion, enhancing longevity and reliability.
• Compatible with various assembly requirements due to its versatile design.

Specifications
• Series: MS27039
• Diameter: 1/4 in
• Length: 0.781 in
• Thread Size: 1/4-28
• Thread Type: UNF
• Head Type: Pan
• Thread Direction: Right Hand
• Material: Steel
• Drive Type: Phillips
• Finish: Cadmium
• Thread Length: 0.516 to 0.563 in
• Thread Class: 3A
• Head Diameter: 0.473 to 0.492 in
• Head Height: 0.162 to 0.175 in
• Grip Size: 1/4 in
• Grade: 4037/8630
• Tensile Strength: 125000 psi
• Domestic/Import: Domestic

Technical Information
• Military Standard
• AMS-QQ-P-416 Type II Class 3
• AMS 6300 Specified
• MIL-S-6050 Qualified
• FAA-STD Approved