- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.526 inches minimum and 0.576 inches maximum
- Fastener Length
- 2.536 inches minimum and 2.566 inches maximum
- Head Style
- Spline extended washer
- Head Height
- 0.302 inches minimum and 0.322 inches maximum
- Width Between Flats
- 0.360 inches minimum and 0.375 inches maximum
- Extended Washer Diameter
- 0.575 inches minimum and 0.585 inches maximum
- Extended Washer Thickness
- 0.035 inches minimum and 0.055 inches maximum
- Grip Diameter
- 0.3115 inches minimum and 0.3120 inches maximum
- Nominal Thread Diameter
- 0.312 inches
- Grip Length
- 1.990 inches minimum and 2.010 inches maximum
- Thread Quantity per Inch
- 24
- Minimum Tensile Strength
- 220000 pounds per square inch
- Material
- Steel comp XM-13 overall
- Material Document and Classification
- Ams 5629 assn std 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.