- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.408 inches minimum and 0.438 inches maximum
- Fastener Length
- 0.408 inches minimum and 0.438 inches maximum
- Head Style
- Pan no. 2
- Head Diameter
- 0.303 inches minimum and 0.312 inches maximum
- Head Height
- 0.185 inches minimum and 0.190 inches maximum
- Locking Feature
- Strip threads
- Internal Drive Style
- Hexagon
- Nominal Thread Diameter
- 0.190 inches
- Width Across Flats
- 0.156 inches minimum and 0.159 inches maximum
- Thread Quantity per Inch
- 32
- Material
- Steel comp 303 overall
- Material Document and Classification
- QQ-S-763, cl 7, ty a fed spec single material response overall
- Surface Treatment
- Passivate overall
- Thread Series Designator
- UNRF
- Specification/Standard Data
- 80205-NAS1351 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.