The MS51959-44 is a military standard Phillips flat head machine screw designed for aerospace and aircraft applications requiring a flush, secure, and corrosion-resistant fastening solution. Manufactured in accordance with the MS51959 specification, this screw is commonly used for attaching access panels, fairings, avionics equipment, interior components, and other assemblies where precision fastening and reliability are essential.

This fastener features an 8-32 UNC thread, a 7/16-inch length, and an 82° countersunk flat head that allows the screw to sit flush with the surface when installed in a compatible countersunk hole. The Phillips drive enables efficient installation and removal while providing reliable torque transfer during maintenance and assembly procedures.

Manufactured from corrosion-resistant stainless steel, the MS51959-44 offers excellent durability and resistance to moisture, oxidation, and many environmental conditions encountered in aviation service. Its passivated finish further enhances corrosion resistance, making it suitable for long-term use in both interior and exterior aircraft applications.

Widely utilized throughout commercial, military, and general aviation platforms, the MS51959-44 machine screw is an OEM-standard hardware component that helps ensure structural integrity and dependable fastening performance when installed according to approved aircraft maintenance procedures.

Key Features

- Part Number: MS51959-44
- Manufacturer: Military Standard (MS)
- Component: Phillips Flat Head Machine Screw
- Thread Size: 8-32 UNC
- Length: 7/16 in. (0.438 in.)
- Head Style: 82° Flat Countersunk
- Drive Type: Phillips
- Material: Corrosion-Resistant Stainless Steel
- Finish: Passivated
- Application: Aircraft structural, avionics, fairing, panel, and general aerospace fastening applications