[Code of Federal Regulations] [Title 16, Volume 2] [Revised as of January 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 16CFR1508.4] [Page 538] TITLE 16--COMMERCIAL PRACTICES CHAPTER II--CONSUMER PRODUCT SAFETY COMMISSION PART 1508--REQUIREMENTS FOR FULL-SIZE BABY CRIBS--Table of Contents Sec. 1508.4 Spacing of crib components. (a) The distance between components (such as slats, spindles, crib rods, and corner posts) shall not be greater than 6 centimeters (2\3/8\ inches) at any point. Measurement of distance between contoured or irregular slats or spindles shall be done by a 6-centimeter wide by 10- centimeter high by 10-centimeter long (2\3/8\-inch wide by 4-inch high by 4-inch long) rectangular block which shall not pass through the space. (b) The distance between such components shall not exceed 6.3 centimeters (2\1/2\ inches) when a 9-kilogram (20-pound) direct force is applied in accordance with the test method in Sec. 1508.5. For contoured or irregular slats or spindles, the spacing shall not permit passage of a 6.3-centimeter wide by 8.2-centimeter high by 8.2- centimeter long (2\1/2\-inch wide by 3\1/4\-inch high by 3\1/4\-inch long) rectangular block above and below the loading wedge when a 9- kilogram (20-pound) direct force is applied in accordance with said test method.