- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.500 inches minimum
- Fastener Length
- 0.500 inches nominal
- Head Style
- Headless (setscrew)
- Point Style
- Half dog
- Internal Drive Style
- Hexagon
- End Item Identification
- Lw/s:aircraft, prowler EA-6B; ticonderoga class cg (47); aircraft, hawkeye E-2C; engine, marine gas turbine LM-2500; oliver perry class ffg; kidd class ddg; spruance class dd (963); fms-build frigates class ships
- Nominal Thread Diameter
- 0.250 inches
- Width Across Flats
- 0.125 inches minimum and 0.127 inches maximum
- Thread Quantity per Inch
- 28
- Material
- Steel comp 302 overall or steel comp 303 overall or steel comp 304 overall or steel comp 305 overall
- Material Document and Classification
- 66 fed std all material responses overall
- Surface Treatment
- Passivate overall
- Thread Series Designator
- UNF
- Nondefinitive Spec/STD Data
- 1 type and 6 style
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.