- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.780 inches nominal
- Fastener Length
- 1.312 inches nominal
- Head Style
- Flat countersunk
- Head Diameter
- 0.505 inches nominal
- Grip Diameter
- 0.3730 inches minimum and 0.3745 inches maximum
- Internal Drive Style
- Hexagon
- Nominal Thread Diameter
- 0.375 inches
- Grip Length
- 0.449 inches nominal
- Width Across Flats
- 0.141 inches nominal
- Thread Quantity per Inch
- 24
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Material
- Steel comp 4140 overall
- Material Document and Classification
- MIL-S-5626 mil spec single material response overall
- Surface Treatment
- Cadmium overall and chromate overall
- Surface Treatment Document and Classification
- QQ-P-416 TY2 CL3 fed spec single treatment response overall
- Thread Series Designator
- UNF
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.