- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.960 inches minimum and 1.039 inches maximum
- Fastener Length
- 1.024 inches minimum and 1.071 inches maximum
- Head Style
- Hexagon
- Head Height
- 0.125 inches minimum and 0.140 inches maximum
- Width Between Flats
- 0.367 inches minimum and 0.376 inches maximum
- Internal Drive Style
- Cross recess type III
- Nominal Thread Diameter
- 0.250 inches
- Thread Quantity per Inch
- 32
- Screw Material
- Steel corrosion resisting
- Screw Material Document and Classification
- A286 (uns S66286) conforming to chemistry of AMS5731 or AMS5732 or AMS5737 or AMS5853 assn std single material response
- Screw Surface Treatment
- Passivate
- Screw Surface Treatment Document and Classification
- AMS2700, method 1, type 2 or type 8, class 1 assn std single treatment response
- Special Features
- Has drilled head with 3 holes drilled across adjacent sides; holes are 0.046 to 0.056 inch in diameter
- Thread Series Designator
- UNJF
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.