- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.389 inches nominal
- Fastener Length
- 1.436 inches minimum and 1.466 inches maximum
- Head Style
- Hexagon
- Head Height
- 0.125 inches minimum and 0.140 inches maximum
- Width Between Flats
- 0.430 inches minimum and 0.439 inches maximum
- Grip Diameter
- 0.1890 inches minimum and 0.1895 inches maximum
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 1.052 inches minimum and 1.072 inches maximum
- Thread Quantity per Inch
- 28
- Material
- Iron alloy 660 overall
- Material Document and Classification
- Ams 5737 assn std single material response overall
- Surface Treatment
- Passivate overall
- Surface Treatment Document and Classification
- QQ-P-35 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.