Downloaded from https://www.everyspec.com MIL-STD-810D 19 July 1983 Ual ve NeedleValveFor AutomaticControl Of FacilityPressu.eRelia$eValve This Valve is Designedfor the Releaseof Internal FacilityPressureby the ControlledApplicationof a Negative, Forcewhich Liftsthe ValveOff its seatvhe~ en ~lo~ion Occurswithinthe Test Facility FIGURE Al. MSTHOD 511.2 APPENDIX A 19 July’1983 511.2-11