- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.442 inches minimum and 0.509 inches maximum
- Fastener Length
- 0.640 inches minimum and 0.687 inches maximum
- Head Style
- Flat countersunk undercut
- Head Diameter
- 0.5018 inches minimum and 0.5066 inches maximum
- Head Height
- 0.0713 inches minimum and 0.0733 inches maximum
- Grip Diameter
- 0.2490 inches minimum and 0.2495 inches maximum
- Internal Drive Style
- High-torque
- End Item Identification
- Harrier AV-8B aircraft.
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 0.178 inches minimum and 0.198 inches maximum
- Thread Quantity per Inch
- 28
- Countersink Angle
- 100.0 degrees nominal
- Surface Finish
- 32.0 microinches grip
- Surface Finish
- 32.0 microinches threads
- Special Features
- Cetyl alcohol lubrication, furnished with O ring
- Material
- Titanium alloy overall
- Material Document and Classification
- Ams 4967, comp 6AL-4V 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.