- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.443 inches minimum and 0.493 inches maximum
- Fastener Length
- 1.578 inches minimum and 1.608 inches maximum
- Head Style
- Double hexagon W/hole
- Head Height
- 0.290 inches minimum and 0.310 inches maximum
- Width Between Flats
- 0.304 inches minimum and 0.313 inches maximum
- Extended Washer Diameter
- 0.428 inches minimum and 0.438 inches maximum
- Extended Washer Thickness
- 0.059 inches minimum and 0.079 inches maximum
- Grip Diameter
- 0.2490 inches minimum and 0.2495 inches maximum
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 1.115 inches minimum and 1.135 inches maximum
- Thread Quantity per Inch
- 28
- Material
- Steel comp XM-13 overall
- Material Document and Classification
- Ams 5629 assn std single material response overall
- Surface Treatment
- Passivate 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.