- Thread Class
- 2A
- Thread Direction
- Right-hand
- Thread Length
- 1.438 inches minimum and 1.500 inches maximum
- Fastener Length
- 1.500 inches nominal
- Head Style
- Flat countersunk
- Head Diameter
- 0.285 inches minimum and 0.332 inches maximum
- Internal Drive Style
- Cross recess type 1
- Nominal Thread Diameter
- 0.164 inches
- Thread Quantity per Inch
- 32
- Minimum Tensile Strength
- 55000 pounds per square inch
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Screw Material
- Steel comp 1010 or steel
- Screw Material Document and Classification
- QQ-S-630 fed spec 1ST material response or QQ-S-631 fed spec 1ST material response or QQ-S-634 fed spec 1ST material response
- Screw Surface Treatment
- Cadmium and chromate
- Screw Surface Treatment Document and Classification
- QQ-P-416 ty 2 cl 3 fed spec all treatment responses
- Thread Series Designator
- UNC
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.