- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.320 in min / 0.370 in max
- Fastener Length
- 0.518 in min / 0.548 in max
- Head Style
- Dished hexagon
- Head Height
- 0.110 in min / 0.125 in max
- Width Between Flats
- 0.367 in min / 0.376 in max
- Grip Diameter
- 0.1885 in min / 0.1895 in max
- Shank Unthreaded Hole Diameter
- 0.070 in min / 0.080 in max
- Nominal Thread Diameter
- 0.190 inches
- Grip Length
- 0.178 in min / 0.198 in max
- Thread Quantity per Inch
- 32
- Minimum Tensile Strength
- 160000 psi
- Hardness Rating
- 36.0-40.0 Rockwell C
- Surface Finish
- 32.0 microinches (bearing, grip, threads)
- Material
- Steel comp E4340 or 8740
- Material Spec
- MIL-S-5000 / MIL-S-6049 / AMS 6322
- Surface Treatment
- Cadmium and chromate per QQ-P-416 ty 2 cl 2
- Thread Series
- 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.