- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.553 inches minimum and 0.603 inches maximum
- Fastener Length
- 1.438 inches minimum and 1.468 inches maximum
- Head Style
- Dished hexagon
- Head Height
- 0.188 inches minimum and 0.203 inches maximum
- Width Between Flats
- 0.554 inches minimum and 0.564 inches maximum
- Grip Diameter
- 0.389 inches minimum and 0.390 inches maximum
- End Item Identification
- E-3 aircraft
- Nominal Thread Diameter
- 0.375 inches
- Grip Length
- 0.865 inches minimum and 0.885 inches maximum
- Thread Quantity per Inch
- 24
- Minimum Tensile Strength
- 160000 pounds per square inch
- Material
- Steel comp E4340 or steel comp 8740 overall
- Surface Treatment
- Cadmium and chromate 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.