- Thread Class
- 3B
- Thread Direction
- Right-hand
- Nut Style
- Hexagon
- Nut Height
- 0.250 inches nominal
- Drilled Hole Diameter
- 0.045 inches minimum and 0.050 inches maximum
- Hole Type and Quantity
- 3 drilled
- Width Across Flats
- 0.800 inches minimum and 0.814 inches maximum
- Thread Series
- UNJF
- Thread Quantity per Inch
- 18
- Hardness Rating
- 34.0 rockwell C minimum and 38.0 rockwell C maximum
- Nominal Thread Size
- 0.625 inches
- Hole Configuration Style
- Configuration B
- Bearing Surface Type
- Chamfered or washer faced
- Material
- Steel comp 4130 overall or steel comp 4140 overall
- Material Document and Classification
- MIL-S-6758 mil spec 1ST material response overall or MIL-S-5626 mil spec 2ND material response overall
- Surface Treatment
- Cadmium overall and chromate overall
- Surface Treatment Document and Classification
- QQ-P-416, type 2, class 2 fed spec single treatment response overall
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.