- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.219 inches minimum and 0.317 inches maximum
- Fastener Length
- 0.448 inches minimum and 0.495 inches maximum
- Head Style
- Flat countersunk
- Head Diameter
- 0.375 inches minimum and 0.387 inches maximum
- Grip Diameter
- 0.1885 inches minimum and 0.1895 inches maximum
- Internal Drive Style
- Offset cruciform (torque set)
- Nominal Thread Diameter
- 0.190 inches
- Grip Length
- 0.178 inches minimum and 0.198 inches maximum
- Thread Quantity per Inch
- 32
- Minimum Tensile Strength
- 180000 pounds per square inch
- Countersink Angle
- 100.0 degrees nominal
- Surface Finish
- 32.0 microinches grip
- Special Features
- Aluminum grommet 0.012 in. thk on bearing surface of head
- Material
- Steel comp 430FSE or steel comp 81B45 or steel comp 4140 or steel comp 302B overall
- Surface Treatment
- Cadmium and chromate overall
- Surface Treatment Document and Classification
- QQ-P-416 ty 2 cl 3 fed spec single treatment response overall
- Thread Series Designator
- UNF
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.