Used on truck, m-915 series, m-91612(let); 2320-01-432-4847. 8.9mm hole diameter must be suitably treated for relief of hydrogen embrittlement; conforms in all essentials with ansi B18.22m (narrow series) metric plain washers chromate zinc surface treated
Used on comunications terminal satellite, an/fsc 78 & 79; 5895-010380-8262 radio frequency amplifier. material is "fiber"; other specs are proprietary information