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Magnesium +  and Lead +

10 CFR 50 +, 10 CFR 50 Appendix B +, 10 CFR 52 +, 10 CFR 50.65 +, 10 CFR 50.55a +, 10 CFR 50.55a#g +, 10 CFR 50.55a#b3 +, 10 CFR 50.55a#b3v +, 10 CFR 50.55a#f4 +, 10 CFR 50.55a#z +, 10 CFR 50.55a#b3xi +, 10 CFR 50.55a#f4i +, 10 CFR 50.55a#b3ii +, 10 CFR 50.55a#b3iiiD +, 10 CFR 52.103#g +  and 10 CFR 50.55a#3iiiD +

Code Case OMN-20, Inservice Test Frequency +, ASME Code Case OMN-11 +  and ASME Code Case OMN-12 +

SECY-05-0197 +, SECY-95-132 +, SECY-04-0032 +  and SECY 132 +

00361  +, 00237  +  and 00424  +

IR 05000400/2012008 +, IR 05000259/2011011 +, IR 05000237/2012008 +, IR 05000424/2017009 +, ML18222A281 +, ML003672750 +, ML003672773 +, ML12314A205 +, ML13085A111 +, ML18222A279 +, ML19364A004 +, 05000237/LER-2011-005-01, For Dresden, Unit 2, Regarding Standby Liquid Control Explosive Valve Failure +  and 05000424/LER-2012-005, Regarding Main Steam Isolation Valve Failure +

82 FR 32934 +  and 64 FR 51370 +

Michael Webb +  and NRC/NRR/VPOB +

NRC Generic Letter 90-09, Alternative Requirements for Snubber Visual Inspection Intervals and Corrective Actions +, NRC Generic Letter 96-05, Periodic Verification of Design-Basis Capability of Safety-Related Motor-Operated Valves +, NRC Generic Letter 89-10, Safety-Related Motor-Operated Valve Testing and Surveillance +  and NRC Generic Letter 95-07, Pressure Locking and Thermal Binding of Safety-Related Power-Operated Gate Valves +

ML19364A004 +, ML19364A004 +, ML19364A004 +, ML19364A004 +, ML19364A004 +, ML19364A004 +  and ML19364A004 +

ML20037A391 +  and ML19364A001 +

IP 71111.22 +, IP 95003 +, IP 62708 +, IP 50090 +, IP 61726 +, IP 70370 +, IP 62710 +, IP 62707 +  and IP 73758 +

IR 05000400/2012008 +  and IR 05000259/2011011 +

Information Notice 2006-24, Recent Operating Experience Associated with Pressurizer and Main Steam Safety/Relief Valve Lift Setpoints +, Information Notice 2015-13, Main Steam Isolation Valve Failure Events +, Information Notice 97-16 +, Information Notice 2008-09 +, Information Notice 2017-03, Anchor/Darling Double Disc Gate Valve Wedge Pin and Stem-Disc Separation Failures +, Information Notice 2016-09, Recent Issues Identified When Using Reverse Engineering Techniques in the Procurement of Safety-Related Components +, Information Notice 2014-11, Recent Issues Related to the Qualification of Safety-Related Components +, Information Notice 2013-14, Potential Design Deficiency in Motor-Operated Valve Control Circuitry +, Information Notice 2012-14, Motor-Operated Valve Inoperable Due to Stem-Disc Separation +, Information Notice 2012-06, Ineffective Use of Vendor Technical Recommendations +, Information Notice 2010-20, Repetitive Failures of Turbine Driven Auxiliary Feedwater Pumps Due to Ineffective Corrective Actions +, Information Notice 2010-03, Failures of Motor-Operated Valves Due to Degraded Stem Lubricant +, Information Notice 2008-20, Failures of Motor Operated Valve Actuator Motors with Magnesium Alloy Rotors +, Information Notice 86-13 +, Information Notice 2006-29, Potential Common Cause Failure of Motor-operated Valves as a Result of Stem Nut Wear +, Information Notice 2003-15, Importance of Followup Activities in Resolving Maintenance Issues +, Information Notice 96-48 +, Information Notice 2006-03, Motor Starter Failures Due to Mechanical Interlock Binding +, Information Notice 2006-26, Failure of Magnesium Rotors in Motor-Operated Valve Actuators +, Information Notice 2015-09, Mechanical Dynamic Restraint (Snubber) Lubricant Degradation Not Identified Due to Insufficient Service Life Monitoring +  and Information Notice 2006-15, Vibration-Induced Degradation and Failure of Safety-Related Valves +

NUREG-1793 +, NUREG-2124 +  and NUREG-1482, Revision 4, Guidelines for Inservice Testing at Nuclear Power Plants: Inservice Testing of Pumps and Valves and Inservice Examination and Testing of Dynamic Restraints (Snubbers) at Nuclear Power Plants Final Report +

Regulatory Guide 1.200 +, Regulatory Guide 1.82 +, Regulatory Guide 1.100 +, Regulatory Guide 1.192 +  and Regulatory Guide 1.175 +

RIS 2000-03, Resolution of Safety Issue 158: Performance of Safety Related Power-Operated Valves Under Design Basis Conditions +, RIS 2010-06, Inservice Inspection and Testing Requirements of Dynamic Restraints (Snubbers) +, RIS 2001-15, Update of Evacuation Time Estimates Performance of DC-Powered Motor-Operated Valve Actuators +, RIS 2007-06, Implementation +, RIS 2011-13, Follow Up to Generic Letter 96-05 for Evaluation of Class D Valves Under Joint Owners Group Motor-Operated Valve Periodic Verification Program +  and RIS 2012-08, Nuclear Regulatory Commission Regulatory Issue Summary 2012-08: Developing Inservice Testing and Inservice Inspection Programs Under 10 CFR Part 52 +

SECY-05-0197 +, SECY-95-132 +, SECY-04-0032 +  and SECY 132 +

Main Steam Isolation Valve +, Auxiliary Feedwater +, Standby Liquid Control +  and Main Steam +

Safe Shutdown +, Stroke time +, Commercial Grade Dedication +, Probabilistic Risk Assessment +, Squib +, Incorporated by reference +, Power-Operated Valves +, Power Operated Valves +  and Hardened grease +