JSA - JIS B 1251
Spring Lock Washers
|Publication Date:||20 July 2018|
|ICS Code (Washers, locking elements):||21.060.30|
This Japanese Industrial Standard specifies requirements for spring lock washers, conical spring washers, toothed lock washers and waved spring washers (hereafter generically referred to as washers) to be used for bolts, screws and nuts for general use (JIS B 1101, JIS B 1111, JIS B 1176, JIS B 1180, JIS B 1181, etc.).
NOTE Annex A provides classification, shapes and dimensions of washers intended for screw and washer assemblies.