- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.345-0.395 inches
- Fastener Length
- 1.917-1.947 inches
- Head Style
- Dished hexagon
- Head Height
- 0.125-0.140 inches
- Width Between Flats
- 0.430-0.439 inches
- Grip Diameter
- 0.2485-0.2495 inches
- Shank Hole Diameter
- 0.076-0.086 inches
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 1.552-1.572 inches
- Thread Qty/Inch
- 28
- Min Tensile Strength
- 160,000 PSI
- Hardness
- 36.0-40.0 Rockwell C
- Material
- Steel E4340/8740 per MIL-S-5000/MIL-S-6049/AMS6322
- Surface Treatment
- Cadmium+chromate per QQ-P-416 TY2 CL2
- 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.