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Heavy Hex Nuts1
Unit of Measure
1 2 

Item #

Description

Nominal Size or Basic Major Dia. of Thread

Basic (F)

Max. (G)

Basic (H1)

Max. Runout of Bearing Face, FIM (All Strength Levels)

HHJN02500XXX N/A Heavy Hex Jam Nut, 1/4" Nominal Dia. N/A 1/4 in N/A 1/2 in N/A 0.577 in N/A 11/64 in N/A 0.017 in
HHJN03125XXX N/A Heavy Hex Jam Nut, 5/16" Nominal Dia. N/A 5/16 in N/A 9/16 in N/A 0.650 in N/A 13/64 in N/A 0.020 in
HHJN03750XXX N/A Heavy Hex Jam Nut, 3/8" Nominal Dia. N/A 3/8 in N/A 11/16 in N/A 0.794 in N/A 15/64 in N/A 0.021 in
HHJN04375XXX N/A Heavy Hex Jam Nut, 7/16" Nominal Dia. N/A 7/16 in N/A 3/4 in N/A 0.866 in N/A 17/64 in N/A 0.022 in
HHJN05000XXX N/A Heavy Hex Jam Nut, 1/2" Nominal Dia. N/A 1/2 in N/A 7/8 in N/A 1.010 in N/A 19/64 in N/A 0.023 in
HHJN05625XXX N/A Heavy Hex Jam Nut, 9/16" Nominal Dia. N/A 9/16 in N/A 15/16 in N/A 1.083 in N/A 21/64 in N/A 0.024 in
HHJN06250XXX N/A Heavy Hex Jam Nut, 5/8" Nominal Dia. N/A 5/8 in N/A 1-1/16 in N/A 1.227 in N/A 23/64 in N/A 0.025 in
HHJN07500XXX N/A Heavy Hex Jam Nut, 3/4" Nominal Dia. N/A 3/4 in N/A 1-1/4 in N/A 1.443 in N/A 27/64 in N/A 0.027 in
HHJN08750XXX N/A Heavy Hex Jam Nut, 7/8" Nominal Dia. N/A 7/8 in N/A 1-7/16 in N/A 1.660 in N/A 31/64 in N/A 0.029 in
HHJN10000XXX N/A Heavy Hex Jam Nut, 1" Nominal Dia. N/A 1 in N/A 1-5/8 in N/A 1.876 in N/A 35/64 in N/A 0.031 in
HHJN11250XXX N/A Heavy Hex Jam Nut, 1-1/8" Nominal Dia. N/A 1-1/8 in N/A 1-13/16 in N/A 2.093 in N/A 39/64 in N/A 0.033 in
HHJN12500XXX N/A Heavy Hex Jam Nut, 1-1/4" Nominal Dia. N/A 1-1/4 in N/A 2 in N/A 2.309 in N/A 23/32 in N/A 0.035 in
HHJN13750XXX N/A Heavy Hex Jam Nut, 1-3/8" Nominal Dia. N/A 1-3/8 in N/A 2-3/16 in N/A 2.526 in N/A 25/32 in N/A 0.038 in
HHJN15000XXX N/A Heavy Hex Jam Nut, 1-1/2" Nominal Dia. N/A 1-1/2 in N/A 2-3/8 in N/A 2.742 in N/A 27/32 in N/A 0.041 in
HHJN16250XXX N/A Heavy Hex Jam Nut, 1-5/8" Nominal Dia. N/A 1-5/8 in N/A 2-9/16 in N/A 2.959 in N/A 29/32 in N/A 0.044 in
HHJN17500XXX N/A Heavy Hex Jam Nut, 1-3/4" Nominal Dia. N/A 1-3/4 in N/A 2-3/4 in N/A 3.175 in N/A 31/32 in N/A 0.048 in
HHJN18750XXX N/A Heavy Hex Jam Nut, 1-7/8" Nominal Dia. N/A 1-7/8 in N/A 2-15/16 in N/A 3.392 in N/A 1-1/32 in N/A 0.051 in
HHJN20000XXX N/A Heavy Hex Jam Nut, 2" Nominal Dia. N/A 2 in N/A 3-1/8 in N/A 3.608 in N/A 1-3/32 in N/A 0.055 in
HHJN22500XXX N/A Heavy Hex Jam Nut, 2-1/4" Nominal Dia. N/A 2-1/4 in N/A 3-1/2 in N/A 4.041 in N/A 1-13/64 in N/A 0.061 in
HHJN25000XXX N/A Heavy Hex Jam Nut, 2-1/2" Nominal Dia. N/A 2-1/2 in N/A 3-7/8 in N/A 4.474 in N/A 1-29/64 in N/A 0.068 in
HHJN27500XXX N/A Heavy Hex Jam Nut, 2-3/4" Nominal Dia. N/A 2-3/4 in N/A 4-1/4 in N/A 4.907 in N/A 1-37/64 in N/A 0.074 in
HHJN30000XXX N/A Heavy Hex Jam Nut, 3" Nominal Dia. N/A 3 in N/A 4-5/8 in N/A 5.340 in N/A 1-45/64 in N/A 0.081 in
HHJN32500XXX N/A Heavy Hex Jam Nut, 3-1/4" Nominal Dia. N/A 3-1/4 in N/A 5 in N/A 5.774 in N/A 1-13/16 in N/A 0.087 in
HHJN35000XXX N/A Heavy Hex Jam Nut, 3-1/2" Nominal Dia. N/A 3-1/2 in N/A 5-3/8 in N/A 6.207 in N/A 1-15/16 in N/A 0.094 in
HHJN37500XXX N/A Heavy Hex Jam Nut, 3-3/4" Nominal Dia. N/A 3-3/4 in N/A 5-3/4 in N/A 6.640 in N/A 2-1/16 in N/A 0.100 in
Unit of Measure
1 2