Test headforms.
16 C.F.R. § 1203.9
in effectEffective: 2024-07-01The headforms used for testing shall be selected from sizes A, E, J, M, and O, as defined by DRAFT ISO/DIS 6220-1983, in accordance with § 1203.10. Headforms used for impact testing shall be rigid and be constructed of low-resonance K-1A magnesium alloy.
Source: eCFRURL: https://www.ecfr.gov/api/versioner/v1/full/2024-07-01/title-16.xmlFetched: 7/26/2026
