- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.401 inches minimum and 0.451 inches maximum
- Fastener Length
- 0.536 inches minimum and 0.566 inches maximum
- Head Style
- Pan no. 2
- Head Diameter
- 0.477 inches minimum and 0.492 inches maximum
- Head Height
- 0.140 inches minimum and 0.150 inches maximum
- Internal Drive Style
- High-torque
- Nominal Thread Diameter
- 0.250 inches
- Thread Quantity per Inch
- 28
- Minimum Tensile Strength
- 160000 pounds per square inch
- Screw Material
- Iron alloy 660
- Screw Material Document and Classification
- Ams 5732 assn std single material response
- Screw Surface Treatment
- Cadmium and chromate
- Screw Surface Treatment Document and Classification
- QQ-P-416, ty 2, cl 3 fed spec single treatment response
- Thread Series Designator
- UNJF
- Specification/Standard Data
- 80205-NAS1218 professional/industrial association standard
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.