- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 1.432 inches nominal
- Fastener Length
- 1.500 inches minimum and 1.562 inches maximum
- Head Style
- Flat countersunk
- Head Diameter
- 0.282 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
- 125000 pounds per square inch
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Screw Material
- Steel comp 4130 or steel comp E4340 or steel comp 8740
- Screw Material Document and Classification
- MIL-S-6758 mil spec 1ST material response or MIL-S-5000 mil spec 2ND material response or IL-S-6049 mil spec 10TH material response
- Screw Surface Treatment
- Cadmium and chromium
- Screw Surface Treatment Document and Classification
- QQ-P-416 ty 2 fed spec all treatment responses
- Thread Series Designator
- UNJC
- Specification/Standard Data
- 80205-NAS514 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.