scope:

GENERAL: This standard consists of pipe spacers which will be square cut and made from standard weight, extra strong, and double extra strong common black pipe, and tubing which will be made from commercial grade, mechanical steel tubing.

To be classified as a spacer, a length of pipe or tubing must be more than .328 in (8.33 mm) but less than 6 in (152.4 mm). Spacers must not have specific surface finishes or coatings, nor must they have special restrictive tolerances other than that which is indicated in the tolerance section below.

Since there are no National or International standards on this product, the specifications are based on present user requirements. All dimensions are shown in inch and in direct metric conversions.

RESTRICTED CHEMICAL SUBSTANCES: Effective January 1, 2007, all product supplied to the requirements of this specification must comply with the requirements of the MPAPS B-50 specification.