- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.553-0.603 inches
- Fastener Length
- 3.063-3.093 inches
- Head Style
- Dished hexagon
- Head Height
- 0.188-0.203 inches
- Width Between Flats
- 0.554-0.564 inches
- Grip Diameter
- 0.3735-0.3745 inches
- Nominal Thread Diameter
- 0.375 inches
- Grip Length
- 2.490-2.510 inches
- Thread Quantity per Inch
- 24
- Min Tensile Strength
- 160000 psi
- Hardness Rating
- 36.0-40.0 Rockwell C
- Surface Finish
- 32.0 microinches (bearing surface, 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 Type 2 Class 2
- Thread Series
- UNJF
- Spec
- NAS6606
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.