- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.580 inches minimum and 0.600 inches maximum
- Fastener Length
- 0.688 inches nominal
- Head Style
- Double hexagon extended washer
- Head Height
- 0.348 inches nominal
- Width Between Flats
- 0.375 inches nominal
- Extended Washer Diameter
- 0.500 inches nominal
- Extended Washer Thickness
- 0.070 inches minimum
- Nominal Thread Diameter
- 0.312 inches
- Thread Quantity per Inch
- 24
- Material
- Iron alloy 660 overall
- Material Document and Classification
- Ams 5731 assn std single material response overall
- Precious Material and Location
- Overall silver
- Precious Material
- Silver
- Surface Treatment
- Silver overall
- Surface Treatment Document and Classification
- Ams 2411 assn std 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.