- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.505 inches minimum and 0.572 inches maximum
- Fastener Length
- 0.890 inches minimum and 0.937 inches maximum
- Head Style
- Flat countersunk undercut
- Head Diameter
- 0.629 inches minimum and 0.634 inches maximum
- Head Height
- 0.088 inches minimum and 0.090 inches maximum
- Grip Diameter
- 0.3115 inches minimum and 0.3120 inches maximum
- Internal Drive Style
- High-torque
- End Item Identification
- Aircraft, hornet F/A-18 (e/f);aircraft, harrier AV-8B;AIRCRAFT, eagle F-15
- Nominal Thread Diameter
- 0.312 inches
- Grip Length
- 0.365 inches minimum and 0.385 inches maximum
- Thread Quantity per Inch
- 24
- Countersink Angle
- 99.5 degrees minimum and 100.5 degrees maximum
- Surface Finish
- 32.0 microinches grip
- Surface Finish
- 32.0 microinches threads
- Special Features
- Furnished with one O-ring seal
- Material
- Titanium alloy overall
- Material Document and Classification
- NAS621 comp 6AL-4V assn std single material response overall or AMS4928 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.