- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.356 inches minimum and 0.500 inches maximum
- Fastener Length
- 0.428 inches minimum and 0.448 inches maximum
- Head Style
- Hexagon
- Head Height
- 0.106 inches minimum and 0.118 inches maximum
- Width Between Flats
- 0.305 inches minimum and 0.313 inches maximum
- Internal Drive Style
- W/O internal drive
- End Item Identification
- B757 aircraft
- Nominal Thread Diameter
- 0.164 inches
- Thread Quantity per Inch
- 36
- Hardness Rating
- 26.0 rockwell C minimum and 32.0 rockwell C maximum
- Screw Material
- Steel comp 8740
- Screw Material Document and Classification
- AMS6322 assn std single material response
- Screw Surface Treatment
- Cadmium
- Screw Surface Treatment Document and Classification
- AMS2400 assn std single treatment response
- Special Features
- Used on pump installation - ram air turb hydr
- 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.