- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.444 in min / 0.494 in max
- Fastener Length
- 1.516 in min / 1.546 in max
- Head Style
- Dished hexagon
- Head Height
- 0.156 in min / 0.171 in max
- Width Between Flats
- 0.492 in min / 0.502 in max
- Grip Diameter
- 0.3110 in min / 0.3120 in max
- Shank Unthreaded Hole Diameter
- 0.076 in min / 0.086 in max (first hole)
- Nominal Thread Diameter
- 0.312 in
- Grip Length
- 1.052 in min / 1.072 in max
- Thread Quantity per Inch
- 24
- Min Tensile Strength
- 160,000 PSI
- Hardness
- 36.0-40.0 Rockwell C
- Distance Head to Shank Hole Center
- 1.325 in min / 1.375 in max (first hole)
- Material
- Steel comp 4140/E4340/6150/8735/8740
- Material Spec
- MIL-S-5626, MIL-S-5000, MIL-S-8503, MIL-S-6098, MIL-S-6049
- Surface Treatment
- Cadmium and chromate per QQ-P-416 Ty 2 Cl 2
- Thread Series
- UNJF
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.