Technical details

• Hi-Shear drawing HL140 revision 14 identifies this designation as a HI-LOK pin with a protruding shear head.
• Dash 6 references the 3/16 in base size. The row lists 13/64 in nominal pin diameter and head diameter A 0.295 to 0.315 in.
• The drawing lists shank D 0.2021 to 0.2026 in without coating, plating or solid film.
• Grip dash 8 gives a 0.5 in maximum-grip value with a drawing tolerance of plus or minus 0.005 in.
• The diameter row specifies a modified 0.1900-32 UNJF-3A thread.
• The drawing specifies A-286 high-temperature alloy to AMS 5731 or AMS 5737.
• Finish PY specifies passivation to Hi-Shear Specification 258.