- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.400 inches minimum and 0.450 inches maximum
- Fastener Length
- 1.410 inches minimum and 1.440 inches maximum
- Head Style
- Dished hexagon
- Head Height
- 0.125 inches minimum and 0.140 inches maximum
- Width Between Flats
- 0.429 inches minimum and 0.439 inches maximum
- Shoulder Diameter
- 0.2802 inches minimum and 0.2807 inches maximum first shoulder
- Shoulder Length
- 0.990 inches minimum and 1.010 inches maximum first shoulder
- Nominal Thread Diameter
- 0.250 inches
- Thread Quantity per Inch
- 28
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hardness Rating
- 36.0 rockwell C minimum and 40.0 rockwell C maximum overall
- Shoulder Shape
- Round first shoulder
- Material
- Titanium alloy overall
- Material Document and Classification
- AMS4928 assn std single material response or AMS4967 comp 6AL-4V assn std single material response overall
- Thread Series Designator
- UNJF
- Specification/Standard Data
- 80205-NAS6804 professional/industrial association standard
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.