A designation used for general identification, such as the inside diameter of a tube.
the nominal size is the designation used for the purpose of general identification. Non-Ferrous Metal. Metals or alloys without an appreciable amount of iron. Examples are aluminum, brass, copper, etc.
Size used for identification only; not literal dimensions.
Size of pipe or shaft used to define the internal working diameter.
The size of the filter on the label, for example, 24 x 24 x 12. The actual dimensions of the filter may vary. See Actual Size
As applied to products such as lumber, traditionally the approximate rough-sawn commercial size by which it is known and sold in the market. Actual rough-sawn sizes may vary from the nominal. Reference to standards or grade rules is required to determine nominal/actual finished size relationships.
link The rough sawn dimension a finished piece of material is referred to, for example what is referred to as a 2 X 4 is actually 1 1/2" X 3 1/2".
The rough-sawn size of a piece of lumber. Before the lumber is planed or dressed. The nominal size is usually greater than the actual dimension. e.g. 100x50 (2 x 4) actually equals 90x45 (1 1/2" x 3 1/2").
The designated dimension of a pipe or fitting; it varies slightly from the actual size.
The designation which is used for the purpose of general identification.
A term used to describe size 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.
an approximate size designation that is determined by the weight of a line. The weight varies by fiber type. This size reference does not indicate a specific measurement of diameter. For diameters please consult the manufacturers specifications.
The standard size for a bar code of a given symbology.
The size designation for most lumber, plywood and other panel products, used for convenience. In lumber, the nominal size usually is greater than the actual dimension; thus, a kiln dried 2 x 4 ordinarily is surfaced to 1.5 to 3.5 inches. In panel products, the size is generally stated in square feet for the surface dimension in increments of 1/ 8 inch for thickness.
A size designation of an aggregate that which gives an indication of the largest particle size present.
Size in name only. Often used to describe the manufacturers' target size, but the word has other confused uses and it is recommended that it be no longer employed.
The named size, or ordered size, which may vary from the actual size of the piece because of variations due to sawing, shrinkage and dressing and the tolerances allowed on these operations
(CERAMIC)-The approximate facial size or thickness of tile, expressed in inches or fractions of an inch.
As applied to timber or lumber, the size by which it is known and sold in the market: this often differs from the actual size.
The rough-sawn size of a piece of lumber. When purchasing planed lumber it is sold by its nominal, rough-sawn, size. For example a 2"x4" is the nominal size for a board whose actual dimension is 1.4" x 3.25".
is the term used for the original size of timber before machining.
The rough size of a member before planing. The ordinary commercial size by which timber or lumber is known and sold on the market, but it may differ from the actual size.
A rounded off approximation of the window's dimension, eg. nominal size 4'6' is 47 l/2" x 70 7/8", approx. 4' x 6'.
The common name for lumber that is sold. 2x4 is the nominal size of the board. The actual size is 1.5 inches by 3.5 inches.
(n) A dimension used to describe the general size of an object, usually expressed in common fractions. For example, a bolt might have a nominal size of 1/2".