Military Standard Blind Nut Rivet
- Flat Head
- Keyed Open End
- Non Self-Locking
- Coarse Threads
- UNC-3B
- Material: Aluminum Alloy
- Diameter: 0.221 in.
- Major Thread Diameter: 0.164 in.
- Threads Per Inch (TPI): 32
- Length: 0.438 in.
- Industry Standard Specification: AIA/NAS NAS1329