NCJ Number
              27242
          Date Published
  1975
Length
              23 pages
          Annotation
              STANDARD TO ESTABLISH PERFORMANCE REQUIREMENTS AND TEST METHODS FOR HELMETS TO BE WORN BY DRIVERS AND PASSENGERS OF SURFACE VEHICLES.
          Abstract
              DEFINITIONS ARE PROVIDED FOR TECHNICAL TERMS USED THROUGHOUT THE DOCUMENT. THE VARIOUS REQUIREMENTS TO BE MET ARE DISCUSSED IN DETAIL AND INCLUDE THE ABILITY OF THE HELMET TO ATTENUATE IMPACT, RESIST PENETRATION, PROVIDE SUFFICIENT PERIPHERAL VISUAL CLEARANCE, AND INCORPORATE A RETENTION SYSTEM OF STATIC STRENGTH. REQUIREMENTS FOR FACE SHIELDS ARE NOT INCLUDED. TEST METHODS FOR EACH REQUIREMENT ARE DESCRIBED SEPARATELY AND IN DETAIL. IT IS BASED ON AMERICAN NATIONAL STANDARDS INSTITUTE STANDARD Z90.1-1971. (SNI ABSTRACT)