- Thread Class
- 3A nut thread
- Thread Pitch Diameters
- +0.2278 to 0.2293 inches stud thread
- Thread Direction
- Right-hand (nut and stud)
- Thread Length
- 0.490-0.510 in nut; 0.678-0.688 in stud
- Overall Length
- 0.302-0.322 inches
- TPI
- 20 stud / 28 nut
- Hardness
- 26.0-32.0 Rockwell C
- Nominal Thread Size
- 0.250 inches
- Surface Finish
- 63.0 microinches shank
- Special Features
- Stud end thread 0.006 in. oversize
- Material
- Steel comp 8740 (AMS 6322)
- Surface Treatment
- Cadmium overall (AMS 2400)
- Thread Series
- UNF nut / UNS stud
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.