Military Standard Machine Screw
- Pan Head
- Cruciform Recess
- Drive: Philips
- Fine Threads
- Material: Alloy Steel
- Finish: Cadmium Plated
- Thread Class: 3A
- Length: 1.719 in.
- Major Diameter: 0.25 in.
- Threads Per Inch(TPI): 28
- Tensile Strength: 4550 lbf
- Maximum Shear Load: 7360 lbf
- Industry Standard Certification: AIA/NAS NASMS27039