Military Standard Machine Screw
- Cruciform Recess
- 100° Flat Countersunk Head
- Fine Threads
- Drive: Philips
- Thread Class: 3A
- Material: Alloy Steel
- Finish: Cadmium Plated
- Major Diameter: 0.25 in.
- Threads Per Inch (TPI): 28
- Head Width: 0.507
- Length: 0.844 in.
- Tensile Strength: 4550 lbf
- Industry Standard Specification: AIA/NAS NASMS24694