- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.484 inches minimum and 0.531 inches maximum
- Fastener Length
- 3.046 inches minimum and 3.093 inches maximum
- Head Style
- Hexagon
- Head Height
- 0.312 inches nominal
- Width Between Flats
- 0.928 inches minimum and 0.940 inches maximum
- Grip Diameter
- 0.6234 inches minimum and 0.6240 inches maximum
- Shank Unthreaded Hole Diameter
- 0.141 inches nominal first hole
- Single Shear Strength
- 29150 pounds per square inch
- Nominal Thread Diameter
- 0.625 inches
- Grip Length
- 2.562 inches nominal
- Thread Quantity per Inch
- 18
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hardness Rating
- 36.0 rockwell C minimum and 40.0 rockwell C maximum overall
- Distance from Head Largest Bearing Surface to Shank Hole Center
- 2.874 inches nominal first hole
- Material
- Steel comp 4140 or steel comp E4340 or steel comp 8740 or steel comp 8735 or steel comp 6150 or steel comp 4037 overall
- Material Document and Classification
- MIL-S-5626 mil spec 1ST material response or MIL-S-5000 mil spec 2ND material response or MIL-S-6049 mil spec 3RD material response or MIL-S-6098 mil spec 4TH material response or MIL-S-8503 mil spec 5TH material response or MIL-S-8695 mil spec 6TH material response overall
- Surface Treatment
- Cadmium and chromate head
- Surface Treatment
- Cadmium and chromate threads
- Surface Treatment Document and Classification
- QQ-P-416, type 2, class 3 fed spec all treatment responses head
- Surface Treatment Document and Classification
- QQ-P-416, type 2, class 3 fed spec all treatment responses threads
- Thread Series Designator
- UNF
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.