- Thread Class
- 3A
- Thread Direction
- Right-hand
- Fastener Length
- 2.866 inches nominal
- Head Style
- Crowned hexagon
- Head Height
- 0.126 inches minimum and 0.141 inches maximum
- Width Between Flats
- 0.488 inches minimum
- Grip Diameter
- 0.2483 inches minimum and 0.2492 inches maximum
- Nominal Thread Diameter
- 0.2500 inches
- Grip Length
- 2.438 inches minimum and 2.454 inches maximum
- Thread Quantity per Inch
- 28
- Special Features
- Bolt ultimate tensile strength lbf min: 4, 680. impedance type: ring lock. heat treatment: AMS2759 to rockwell C36 to C41
- Material
- Steel overall
- Material Document and Classification
- AS-6415 national std all material responses or AMS6484 national std all material responses or AMS6349 national std all material responses or AMS6382 national std all material responses or AMS6322 national std all material responses or AMS6325 national std all material responses or AMS6327 national std all material responses or AMS-S-6758 national std all material responses or AMS6448 national std all material responses overall
- Surface Treatment
- Cadmium overall
- Surface Treatment Document and Classification
- AMS-QQ-P-416, type ii, class 2 national std all treatment responses 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.