- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.425 inches nominal
- Fastener Length
- 0.972 inches minimum and 1.002 inches maximum
- Head Style
- Flat countersunk
- Head Diameter
- 0.358 inches minimum and 0.395 inches maximum
- Spline Major Diameter
- 0.154 inches minimum and 0.156 inches maximum
- Grip Diameter
- 0.2485 inches minimum and 0.2495 inches maximum
- Internal Drive Style
- TORX
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 0.562 inches nominal
- Thread Quantity per Inch
- 28
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Material
- Steel comp XM-13 overall
- Material Document and Classification
- Ams 5629 assn std single material 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.