- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.413 inches minimum and 0.463 inches maximum
- Fastener Length
- 0.861 inches minimum and 0.891 inches maximum
- Head Style
- Spline drive shear head
- Head Height
- 0.187 inches nominal
- Grip Diameter
- 0.3108 inches minimum and 0.3117 inches maximum
- Head Minor Diameter
- 0.605 inches nominal
- Nominal Thread Diameter
- 0.312 inches
- Grip Length
- 0.428 inches minimum and 0.448 inches maximum
- Thread Quantity per Inch
- 24
- Surface Finish
- 32.0 microinches bearing surface of head
- Surface Finish
- 32.0 microinches grip
- Surface Finish
- 32.0 microinches threads
- Material
- Steel comp H11 overall
- Material Document and Classification
- Ams 6487 assn std single material response overall
- Surface Treatment
- Cadmium overall and chromate overall
- Surface Treatment Document and Classification
- QQ-P-416 type 2 fed spec single treatment 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.