- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.251 inches minimum and 0.301 inches maximum
- Fastener Length
- 0.636 inches minimum and 0.666 inches maximum
- Head Style
- PAN
- Head Diameter
- 0.256 inches minimum and 0.270 inches maximum
- Head Height
- 0.087 inches minimum and 0.097 inches maximum
- Grip Diameter
- 0.1365 inches minimum and 0.1375 inches maximum
- Internal Drive Style
- Offset cruciform (torque set)
- Nominal Thread Diameter
- 0.138 inches
- Grip Length
- 0.365 inches minimum and 0.385 inches maximum
- Thread Quantity per Inch
- 32
- Minimum Tensile Strength
- 160000 pounds per square inch
- Surface Finish
- 32.0 microinches bearing surface of head
- Surface Finish
- 32.0 microinches grip
- Surface Finish
- 32.0 microinches threads
- Material
- Iron alloy 660 overall
- Material Document and Classification
- Ams 5737 assn std single material response overall
- Surface Treatment
- Passivate overall
- Surface Treatment Document and Classification
- QQ-P-35 fed spec single treatment response overall
- Thread Series Designator
- UNJC
- Specification/Standard Data
- 80205-NAS1131 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.