- Thread Class
- 2A
- Thread Direction
- Right-hand
- Thread Length
- 0.388 inches minimum and 0.438 inches maximum
- Fastener Length
- 0.438 inches nominal
- Head Style
- Round
- Head Diameter
- 0.193 inches minimum and 0.211 inches maximum
- Head Height
- 0.086 inches maximum
- Internal Drive Style
- Cross recess type 1
- Nominal Thread Diameter
- 0.112 inches
- Thread Quantity per Inch
- 40
- Minimum Tensile Strength
- 55000 pounds per square inch
- Screw Material
- Copper alloy
- Screw Material Document and Classification
- QQ-B-613 fed spec single material response or QQ-B-626 fed spec single material response or QQ-W-321 fed spec single material response
- Screw Surface Treatment
- Cadmium
- Screw Surface Treatment Document and Classification
- QQ-P-416, type 2, class 3 fed spec single treatment response
- 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.