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heavy hex jam nut 1-1/4 envelope

heavy hex jam nut 1-1/4 envelope: hexagon 2.000 in across flats x .751 in thick (F max, H max), plain bore Ø1.2500 in at the thread major, thread not drawn

Exact dimensions. True size, no tolerance added. Threads are plain cylinders at the major diameter.

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Dimensions

typeheavy hex jam nut
size (in)1-1/4
UNC / UNF TPI7 / 12
F across flats max / min2.000 / 1.938
G across corners max / min2.309 / 2.209
H thickness max / min.751 / .687
sourceAFT
file: F max / H max (mm)50.8 / 19.08
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From the full sheet

Hex nuts, hex jam nuts and heavy hex nuts, inch 7/8 to 1-1/2 (ASME B18.2.2): across flats, thickness, UNC / UNF: every size, notes, mating features and sources. What are the across-flats width and thickness of a 7/8 to 1-1/2 inch hex nut, jam nut or heavy hex nut?

Other sizes