- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.330-0.360 inches
- Fastener Length
- 1.455-1.485 inches
- Head Style
- Dished hexagon
- Head Height
- 0.110-0.125 inches
- Width Between Flats
- 0.367-0.376 inches
- Grip Diameter
- 0.1885-0.1895 inches
- Shank Unthreaded Hole Diameter
- 0.070-0.080 inches (first hole)
- Nominal Thread Diameter
- 0.190 inches
- Grip Length
- 1.115-1.135 inches
- Thread Quantity per Inch
- 32
- Minimum Tensile Strength
- 160000 psi
- Distance Head to Shank Hole Center
- 1.306 inches nominal (first hole)
- Surface Finish
- 32.0 microinches (bearing surface, grip, threads)
- Material
- Steel comp 4340 or 8740
- Material Spec
- MIL-S-5000 or MIL-S-6049
- Surface Treatment
- Cadmium per QQ-P-416 Type 2 Class 2
- Thread Series Designator
- UNJF
- Specification
- NAS6603
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.