1.1 This specification covers new and reconditioned football helmets intended for use in competitive play and practice with particular reference to shock attenuation requirements.

1.2 This specification establishes shock absorption requirements of complete helmets when tested in accordance with Test Method F429 and establishes requirements for construction, materials, visibility, and labeling.

1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.