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  • Sizes shown in bold face are preferred.
  • Where specifying nominal size in decimals, zeros in the fourth decimal place shall be omitted.
Type A Wing Nuts
Unit of Measure
Items Type A Wing Nuts
item-3423
Type A Wing Nut, No. 3 Nominal Dia.
Type A Wing Nuts
item-3424
Type A Wing Nut, No. 4 Nominal Dia.
Type A Wing Nuts
item-3425
Type A Wing Nut, No. 5 Nominal Dia.
Type A Wing Nuts
item-3426
Type A Wing Nut, No. 5 Nominal Dia.
Type A Wing Nuts
item-3427
Type A Wing Nut, No. 6 Nominal Dia.
Manufacturer N/A Industrial Fasteners Institute
Product N/A Wing Nuts
Codes and Standards N/A ASME B18.6.X DRAFT STANDARD 2002
Unit of Measure N/A English
Nominal Size or Basic Major Dia. of Thread N/A No. 3 N/A No. 4 N/A No. 5 N/A No. 5 N/A No. 6
Nominal Size or Basic Major Dia. of Thread (Decimal) N/A 0.0990 in N/A 0.1120 in N/A 0.1250 in N/A 0.1250 in N/A 0.1380 in
Threads Per Inch N/A 48 56 N/A 40 48 N/A 40 44 N/A 40 44 N/A 32 40
Series N/A Heavy N/A Heavy N/A Light N/A Heavy N/A Light
Nut Blank Size (Ref.) N/A AA N/A AA N/A AA N/A A N/A AA
Max. Wing Spread (A) N/A 0.72 in N/A 0.72 in N/A 0.72 in N/A 0.91 in N/A 0.72 in
Min. Wing Spread (A) N/A 0.590 in N/A 0.590 in N/A 0.590 in N/A 0.78 in N/A 0.590 in
Max. Wing Height (B) N/A 0.410 in N/A 0.410 in N/A 0.410 in N/A 0.47 in N/A 0.410 in
Min. Wing Height (B) N/A 0.28 in N/A 0.28 in N/A 0.28 in N/A 0.34 in N/A 0.28 in
Max. Wing Thickness (C) N/A 0.11 in N/A 0.11 in N/A 0.11 in N/A 0.14 in N/A 0.11 in
Min. Wing Thickness (C) N/A 0.070 in N/A 0.070 in N/A 0.070 in N/A 0.10 in N/A 0.070 in
Max. Distance Between Wings (D) N/A 0.21 in N/A 0.21 in N/A 0.21 in N/A 0.27 in N/A 0.21 in
Min. Distance Between Wings (D) N/A 0.17 in N/A 0.17 in N/A 0.17 in N/A 0.22 in N/A 0.17 in
Max. Boss Dia. (E) N/A 0.33 in N/A 0.33 in N/A 0.33 in N/A 0.43 in N/A 0.33 in
Min. Boss Dia. (E) N/A 0.29 in N/A 0.29 in N/A 0.29 in N/A 0.39 in N/A 0.29 in
Max. Boss Height (G) N/A 0.14 in N/A 0.14 in N/A 0.14 in N/A 0.180 in N/A 0.14 in
Min. Boss Height (G) N/A 0.100 in N/A 0.100 in N/A 0.100 in N/A 0.14 in N/A 0.100 in