Nominal size

nominal size

[′näm·ə·nəl ′sīz]
(design engineering)
Size used for purposes of general identification; the actual size of a part will be approximately the same as the nominal size but need not be exactly the same; for example, a rod may be referred to as ¼ inch, although the actual dimension on the drawing is 0.2495 inch, and in this case ¼ inch is the nominal size.

Nominal size

The measurement used in naming a component, not necessarily its actual size when finished or milled. The size of timber is usually given in nominal size, and the actual size is slightly smaller, for example, a 2x4 actually measures 1 5/8 x 3 5/8 inches.

nominal size

The dimensions of sawn lumber before it is dried or surfaced. Also see dressed size.
References in periodicals archive ?
Contract awarded for 1) 62131308-elbow heavy grade mild steel galvanised having nominal size of outel- 25 mm to is:1239 (part-2)/2011, table-8 (clause-9.
The new ball valves from Siemens are optimised for a maximum flow rate per nominal size and reach high flow values (kvs) between 5 and 96 m3/h.
The program also projects the growth of the nominal size of average salary up to 14,990 som, which is 1.
16 February 2012 - Italy's Banco Popolare (BIT:BP) will buy back hybrid bonds with a nominal size of EUR1.
However, where clients are holding bonds worth less than the minimum pounds 50,000 nominal size we can only advise they sell in the market in advance of the new issue.
The ABB COPA-XL is designed for pipes with nominal size of DN 10-300.
Below a nominal size of about 1 inch, most processors will usually be better served by a dedicated granulator than by a shredder.
Tables are provided detailing the pennyweight of nails together with their relative length as well as nominal size for wood and the actual dimensions of the wood.
Through optimized geometry and air flow, these valves are said to have capacities 30% to 60% higher than conventional valves of the same nominal size.
Inch or metric results are displayed on a new tri-color LED bargraph as a deviation from nominal size in any one of eight scale ranges.
On one of the pumps ICD produces, the inside diameter of one bore has a nominal size of 47.
This gave the engineers and the customer insight into how the seal would perform in worst-case production scenarios, information that was not available in the past because samples were run at nominal size and shape.