- Thread Class
- 2A
- Thread Direction
- Right-hand
- Thread Length
- 0.500 inches minimum and 0.562 inches maximum
- Fastener Length
- 0.562 inches nominal
- Head Style
- Flat countersunk
- Head Diameter
- 0.249 inches minimum and 0.279 inches maximum
- Internal Drive Style
- Cross recess type 1
- Nominal Thread Diameter
- 0.138 inches
- Thread Quantity per Inch
- 32
- Countersink Angle
- 80.0 degrees minimum and 82.0 degrees maximum
- Screw Material
- Steel comp 303 or steel comp 303SE or steel comp 430 or steel comp 302
- Screw Material Document and Classification
- MIL-S-7720 mil spec 1ST material response or MIL-S-18732 mil spec 2ND material response or QQ-S-763 fed spec 3RD material response or MIL-S-7720 mil spec 4TH material response
- Screw Surface Treatment
- Passivate
- Thread Series Designator
- UNC
- Departure from Cited Document
- As modified by internal drive style and location
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.