5310-00-595-6839 (FFW92TYPEAGRADE1CLASSA)
NSN 5310-00-595-6839 (NIIN 00-595-6839) is a flat washer in Federal Supply Class 5310, Nuts And Washers — a washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. Manufacturer part number FFW92TYPEAGRADE1CLASSA (Federal Specifications Promulgated, CAGE 81348).
NIIN assigned January 1963; DEMIL A (none required).