- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.531 inches nominal
- Fastener Length
- 0.953 inches minimum and 1.000 inches maximum
- Head Style
- Flat countersunk
- Head Diameter
- 0.629 inches minimum and 0.634 inches maximum
- Shoulder Diameter
- 0.3427 inches minimum first shoulder and 0.3432 inches maximum first shoulder
- Shoulder Length
- 0.428 inches minimum first shoulder and 0.448 inches maximum first shoulder
- Internal Drive Style
- High-torque
- Nominal Thread Diameter
- 0.312 inches
- Thread Quantity per Inch
- 24
- Minimum Tensile Strength
- 125000 pounds per square inch
- Countersink Angle
- 100.0 degrees nominal
- Shoulder Shape
- Round first shoulder
- Special Features
- Furnished with one O ring. must be lubricate with cetyl alcohol
- Material
- Iron alloy 660 overall
- Material Document and Classification
- Ams 5629 assn std single material response overall
- Surface Treatment
- Passivate 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.