- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.366 inches minimum and 0.416 inches maximum
- Fastener Length
- 1.626 inches minimum and 1.656 inches maximum
- Head Style
- Flat countersunk
- Head Diameter
- 0.704 inches minimum and 0.762 inches maximum
- Grip Diameter
- 0.3735 inches minimum and 0.3745 inches maximum
- Internal Drive Style
- Offset cruciform (torque set)
- Nominal Thread Diameter
- 0.375 inches
- Grip Length
- 1.240 inches minimum and 1.260 inches maximum
- Thread Quantity per Inch
- 24
- Minimum Tensile Strength
- 160000 pounds per square inch
- Countersink Angle
- 101.0 degrees nominal
- Surface Finish
- 32.0 microinches overall
- Material
- Steel comp 4140 overall
- Material Document and Classification
- MIL-S-5626 mil spec single material response overall
- Surface Treatment
- Cadmium overall
- Surface Treatment Document and Classification
- QQ-P-416, TY2, CL2 fed spec single treatment response overall
- Thread Series Designator
- UNJF
- Specification/Standard Data
- 80205-NAS1156 professional/industrial association standard
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.