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 § 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.