Shift Knob Jam Nut : 3/8"-16 for Hurst chrome stick shifters

*** This nut is included with knobs we sell (where applicable) so do not buy this item unless you want a spare! *** Jam nut for shifter knobs and handles with 3/8"-16 UNC "coarse" thread: Zinc-plated steel Round upper portion w/ hex at bottom for wrench 9/16" outside diameter (~ 14mm) 9/16" across hex flats (~ 14mm) 5/16" tall overall w/ 0.2" tall round portion Equivalent to Hurst #1794719 / #1795719, Inline Tube #INL10294, & Year One #MG002 Intended for aftermarket classic knobs & T-handles w/ ~1/8" recessed mount NOT compatible with most OE knobs This thread size is found on: Most AFTERMARKET (Comp Plus) Hurst CHROME sticks Does NOT FIT aftermarket Hurst sticks produced before ~1975 (= 3/8"-24) Does NOT FIT Hurst Indy 3 speed shifters (= 3/8"-24) Does NOT FIT Hurst aluminum or black sticks (thread size varies) The following manual trans applications in OE configuration: 1964-1972 Pontiac factory Hurst shifters 1969-1972 Camaro factory Hurst shifters most 19