- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.438 inches nominal
- Fastener Length
- 2.798 inches minimum and 2.828 inches maximum
- Head Style
- Dished hexagon
- Head Height
- 0.158 inches minimum and 0.171 inches maximum
- Width Between Flats
- 0.492 inches minimum and 0.502 inches maximum
- Grip Diameter
- 0.3110 inches minimum and 0.3120 inches maximum
- End Item Identification
- 1520-01-125-5476
- Nominal Thread Diameter
- 0.3125 inches
- Grip Length
- 2.365 inches minimum and 2.385 inches maximum
- Thread Quantity per Inch
- 24
- Distance from Head Largest Bearing Surface to Shank Hole Center
- 2.621 inches minimum first hole and 2.641 inches maximum first hole
- Material
- Steel overall
- Material Document and Classification
- Nas 4002 national spec single material response overall
- Surface Treatment
- Cadmium overall
- Surface Treatment Document and Classification
- QQ-P-416, type ii, class 2 fed spec single treatment response overall
- Thread Series Designator
- UNJF
- Specification/Standard Data
- 80205-NAS6205 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.