- Thread Class
- 3B
- Thread Direction
- Right-hand
- Head Style
- Flat countersunk reverse keyed
- Head Diameter
- 0.529 inches nominal
- Key Length
- 0.089 inches maximum
- Head Height
- 0.089 inches maximum
- Nut Style
- Blind rivet W/smooth round shank
- Nut Diameter
- 0.328 inches minimum and 0.332 inches maximum
- Nut Length
- 1.110 inches minimum and 1.140 inches maximum
- Shank End Type
- Closed
- Temp Rating
- 250.0 deg fahrenheit maximum
- Thread Series
- UNF
- Thread Quantity per Inch
- 28
- Hardness Rating
- 20.0 rockwell C minimum
- Nominal Thread Size
- 0.250 inches
- Head Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Part Name Assigned BY Controlling Agency
- Nut, blind rivet - c'sunk head, internal thd, non-locking
- Special Features
- Ultimate thread strength at 6590 lbs min
- Material
- Steel comp 4037 overall
- Material Document and Classification
- Astm A752, uns G40370 assn std single material response overall
- Surface Treatment
- Cadmium overall
- Surface Treatment Document and Classification
- QQ-P-35, ty ii fed spec single treatment response overall
Catalogue data is compiled from public DLA/FLIS sources and is provided for
identification. Availability, condition and certification are confirmed on
quotation. OmniSynk Distribution Services is a stocking distributor.