Military Standard Machine Screw
- Round Head
- Cruciform Recessed
- Coarse Threads
- Thread Class: 2A
- Material: Brass
- Finish: Black Oxide
- Major Diameter: 0.138 in.
- Threads Per Inch (TPI): 24
- Tensile Strength: 246 lbf
- Length: 1 in.
- Driver: Philip
- Industry Standard Specification: AN515