- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.594 inches min
- Fastener Length
- 1.344 inches nominal
- Head Style
- Dished hexagon
- Head Height
- 0.219 inches nominal
- Width Between Flats
- 0.679-0.690 inches
- Grip Diameter
- 0.4360-0.4370 inches
- Nominal Thread Diameter
- 0.438 inches
- Grip Length
- 0.750 inches nominal
- Thread Qty/Inch
- 20
- Min Tensile Strength
- 160000 psi
- Hardness
- 36.0-40.0 Rockwell C
- Material
- Steel comp 4140/E4340/6150/8735/8740
- Material Docs
- MIL-S-5626/5000/8503/6098/6049
- Surface Treatment
- Cadmium and chromate
- Surface Treatment Doc
- QQ-P-416 TY2 CL2
- Thread Series
- UNF
- Specification
- NAS1307 (80205)
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.