- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.589 inches minimum and 0.639 inches maximum
- Fastener Length
- 1.911 inches minimum and 1.941 inches maximum
- Head Style
- Double hexagon W/hole
- Head Height
- 0.378 inches minimum and 0.398 inches maximum
- Width Between Flats
- 0.430 inches minimum and 0.439 inches maximum
- Extended Washer Diameter
- 0.639 inches minimum and 0.649 inches maximum
- Extended Washer Thickness
- 0.081 inches minimum and 0.101 inches maximum
- Hole Diameter
- 0.106 inches minimum and 0.111 inches maximum
- Grip Diameter
- 0.3740 inches minimum and 0.3745 inches maximum
- Nominal Thread Diameter
- 0.375 inches
- Grip Length
- 1.302 inches minimum and 1.322 inches maximum
- Hole Quantity
- 4
- Hole Type
- Drilled
- Thread Quantity per Inch
- 24
- Minimum Tensile Strength
- 220000 pounds per square inch
- Hole Configuration Style
- Double hexagon longitudinal hole
- Material
- Steel comp XM-13 overall
- Material Document and Classification
- 23-112 fscm 76301 mfr ref single material response overall
- Surface Treatment
- Passivate overall
- Surface Treatment Document and Classification
- QQ-P-35 fed spec single treatment response overall
- Thread Series Designator
- 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.