- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.323 inches nominal
- Fastener Length
- 0.823 inches nominal
- Head Style
- Flat countersunk
- Head Diameter
- 0.303 inches maximum
- Head Height
- 0.049 inches nominal
- Grip Diameter
- 0.188 inches minimum
- Internal Drive Style
- Cross recess type 1
- Nominal Thread Diameter
- 0.190 inches
- Grip Length
- 0.500 inches nominal
- Thread Quantity per Inch
- 32
- Minimum Tensile Strength
- 160000 pounds per square inch
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Material
- Iron alloy 660 overall
- Material Document and Classification
- AMS5731 assn std all material responses overall or AMS5737 assn std all material responses overall
- Surface Treatment
- Cadmium overall and chromate overall
- Surface Treatment Document and Classification
- QQ-P-416 assn std 1ST treatment response overall
- Thread Series Designator
- UNJC
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.