Military Standard Washer Head Screw
- Cruciform Recessed
- Coarse Threads
- UN Class 3A
- Material: Alloy Steel
- Major Diameter: 0.164 in.
- Threads Per Inch (TPI): 32
- Length: 0.375 in.
- Grip Length: 0.031 in.
- Driver: Philips
- Industry Standard Specification: AIA/NAS NASM525