Mil-dtl-18240 mil spec 1st material response and ams3670 assn std 2nd material response and ams3650 assn std 3rd material response and ams3612 assn std 4th material response
Mil-dtl-18240 mil spec single material response locking feature
Mil-dtl-18240, ty p mil spec single material response locking feature
Astm,a574 assn std 1st material response overall and mil-dtl-18240 mil spec 2nd material response overall