- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 1.501 inches minimum and 1.625 inches maximum
- Fastener Length
- 1.563 inches minimum and 1.625 inches maximum
- Head Style
- PAN
- Head Diameter
- 0.256 inches minimum and 0.270 inches maximum
- Head Height
- 0.087 inches minimum and 0.097 inches maximum
- Locking Feature
- Pellet threads or patch threads or strip threads
- Internal Drive Style
- Cross recess type 1
- Nominal Thread Diameter
- 0.138 inches
- Thread Quantity per Inch
- 32
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hardness Rating
- 36.0 rockwell C minimum overall and 40.0 rockwell C maximum overall
- Surface Finish
- 32.0 microinches bearing surface of head
- Surface Finish
- 32.0 microinches grip
- Surface Finish
- 32.0 microinches threads
- Material
- Steel comp 4140 overall or steel comp 4340 overall or steel comp 8740 overall
- Surface Treatment
- Cadmium overall and chromate overall
- Surface Treatment Document and Classification
- QQ-P-416 TYPE2 class 2 fed spec single treatment response overall
- Thread Series Designator
- UNJC
- Specification/Standard Data
- 80205-NAS1190 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.