I was researching this particular standard because of the discrepancies I found in the WLL "Working Load Limit" stamped on the shackles we use for lifting. At first I believed it to be different manufacturers have different WLLs...I found this not to be true, however. This standard came about...
I have a P-4 data report that lists a material specification as SA 299N. I cannot find any information on what the N after the number stands for. Any thoughts?