Item # HTSN03750XXX, Hex Thick Slotted Nut, 3/8" Nominal Dia. On Sales Systems Ltd.

Unification. Bold type indicates products unified dimensionally with British and Canadian standards. Unification of fine thread products is limited to sizes 1 in. and under.
Tops and Bearing Surface of Nuts. Nuts in sizes 5/8 in. nominal size and smaller shall be double chamfered. Larger size nuts shall be double chamfered or have washer faced bearing surface and chamfered top.
The diameter of chamfer circle on double chamfered nuts and diameter of washer face shall be within the limits of the

Unit of Measure

Manufacturer | Specifications | Codes and Standards | Runout of Bearing Face, FIM

Industrial Fasteners Institute

Product	N/A Nuts
Unit of Measure	N/A English
Nominal Size or Basic Major Dia. of Thread	N/A 3/8 in
Nominal Size or Basic Major Dia. of Thread (Decimal)	N/A 0.3750 in
Basic Width Across Flats (F)	N/A 9/16 in
Max. Width Across Flats (F)	N/A 0.562 in
Min. Width Across Flats (F)	N/A 0.551 in
Max. Width Across Corners (G)	N/A 0.650 in
Min. Width Across Corners (G)	N/A 0.628 in
Basic Thickness (H)	N/A 13/32 in
Max. Thickness (H)	N/A 0.415 in
Min. Thickness (H)	N/A 0.398 in
Max. Unslotted Thickness (T)	N/A 0.29 in
Min. Unslotted Thickness (T)	N/A 0.27 in
Max. Width of Slot (S)	N/A 0.15 in
Min. Width of Slot (S)	N/A 0.12 in

ASME/ANSI B18.2.2 1987 (R 1999)

Runout of Bearing Surface FIM

0.017 in