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 Issue dateTitleTopic
ML21363A15129 December 2021CFR Part 21 Written Notification Regarding Paragon Energy Solutions, LLC Power Supplies
ML19346H87312 December 2019Westinghouse Electric Company - Notification of the Potential Existence of Defect Pursuant to 10 CFR Part 21
ML19053A5001 February 2019Sor, Inc. Part 21 Notification of Deviation Sor R-Series Housing with Terminal Block
ULNRC-06393, 10 CFR Part 21 Written Notification Regarding Cameron Barton Model 752B Differential Pressure Transmitters31 October 201710 CFR Part 21 Written Notification Regarding Cameron Barton Model 752B Differential Pressure Transmitters
ML17194A82511 July 2017Part 21 Report Re Wedge Pin Failure in Anchor Darling Motor Operated Double Disc Gate Valves with Threaded Stem to Upper Wedge ConnectionsAnchor Darling
ML17165A4059 June 2017Part 21 Report - Potential Minimum Wall Thickness Issue on Certain Posi-Seal Valves
ML17026A4125 December 2016Valcor Engineering Corp. - Part 21 - Non-Conforming Cover Machining on Solenoid Valve
ML16281A27022 September 2016Part 21 - Initial Notification of Masterpact Breaker Fail to Close
ML16278A47122 September 2016Notification of 10 CFR Part 21 Condition, Masterpact Breaker Fail to Close
ML16139A83213 May 2016Part 21 - Initial Notification of Masterpact Breaker Fail to Close
ML16139A83313 May 2016Part 21 - Initial Notification of Masterpact Breaker Fail to Close
ML15280A3525 October 2015Part 21 Report Electronic Position Controller Failed Internal
ML14094A4451 April 2014Notification of Part 21 Report on Defective Raw Material Used to Manufacture Valve Stems
ML14069A4682 March 2014Part 21 Report - Defective Raw Material Used to Manufacture Valve Stems
ML13211A16826 July 2013Westinghouse, Notification of Potential Existence of Defects Pursuant to 10 CFR Part 21 Inconsistency Between the Intended Design Functionality of the Shield Passive Thermal Shutdown Seal (SDS) and That Observed During Post-Service TestingFLEX
Large early release frequency
Fire Protection Program
ML13165A34212 June 201360-Day Interim Report Involving an Evaluation of a Design Change to Magne-Blast Circuit Breakers
ML13073A10712 March 2013Notification of Potential Part 21 Report - Defective Raw Material Used to Manufacture Valve Stems
ML13064A01225 February 2013Notification of Potential Part 21 Report Re Wedge Pin Failure of an Anchor/Darling Double-Disc Gate ValveAnchor Darling
ML13045A8931 February 2013Notification of Part 21 Report - Defective Raw Material Used to Manufacture Valve Stems
ML12348A13613 December 2012Part 21 60-Day Interim Report Notification: Adequacy of Design Change in Am Magne-Blast Circuit Breakers
ML12352A12313 December 201260-Day Interim Report Involving an Evaluation of a Design Change to Magne-Blast Circuit Breakers
ML1219103372 July 2012Update 10 CFR Part 21 Notification of Defective Moore 535 Controllers
ML12110A16717 April 2012Notification of Potential Part 21 Report - Swagelok U Series Bellows Valves Loosening of Stem Tips
ML12094A3712 April 2012Part 21 Report - Rosemount Pressure Transmitters with Nonzero Based Calibrations
ML10051290812 February 2010Notification of Potential Part 21 Report Re Interim Report Concerning an Issue in Sump Blockage Generic TestsFire Barrier
Coatings
ML10048013812 February 2010Interim Report of the Evaluation of a Deviation Pursuant to 10CFR21.21(a)(2)Fire Barrier
Coatings
ML0934908698 December 2009Engine Systems, Inc., Transmittal of 10 CFR 21Defects and Non-Compliance for Woodward Pgpl Actuator with Remote Servo P/N 529-044 P/N: 9903-539
ML0934401528 December 2009Notification of Potential Part 21 on Woodward Governor Servo Failure Due to Silver Sulfide Corrosion of Surface Mount Resistors
ML09268024623 September 2009Notification of Potential Part 21 on Reportable Occurrence Under 10 CFR Part 21: Firmware Anomaly in the Model RM-80 Radiation Monitoring System
ML08319001712 November 2008Notification of Potential Part 21 on All Dimensionally Verified Commercial Grade Items Processed Per Fisher Manufacture Procedure Fmp 2K28
ML0828403843 October 200810 CFR Part 21 Reporting Thread Sealant Issue
ML08239010625 August 2008Notification of Potential Part 21 on Failure of F and G SwitchesTest box
ML0809906344 April 2008Part 21 Notification Regarding Failure to Comply with the Requirements for Dedication of Commercial Grade Items
ML0710002296 April 2007Rosemount Nuclear Instruments, Inc., Submittal of Notification Under 10 CFR Part 21 for Certain Model 1152 Pressure TransmittersHydrostatic
Loctite
ULNRC-05312, CFR Part 21 Written Notification Regarding Prime Measurement Products, Models 763 and 763A Gauge Pressure Transmitters and Model 764 Differential Pressure Transmitters17 July 2006CFR Part 21 Written Notification Regarding Prime Measurement Products, Models 763 and 763A Gauge Pressure Transmitters and Model 764 Differential Pressure Transmitters
ML06177035422 June 2006Operations Center Event Report, Prime Measurement Products, Models 763 and 763A Gage Pressure Transmitters and Model 764 Differential Pressure Transmitters.
ML05362036816 December 2005Part 21 Notification -Prime Measurement Products Models 763 & 763A Pressure Transmitters and Model 764 Differential Pressure Transmitters
ML05325037417 November 2005Initial Part 21 Notification - Prime Measurement Products, Models 763 & 763A Pressure Transmitters and Model 764 Differential Pressure Transmitters
ML03325053920 November 2003Event 40344: Low Voltage Circuit Breaker Defect and Noncompliance Report
ML03055024817 February 200310CFR Part 21 Notification - Carboline CompanyCoatings
ML02151029515 May 200210 CFR 21 Notification - Potential Defect Fan Assemblies for UPS Systems
ML02155024910 May 2002Letter from W. G. Hampton Subject: 10CFR Part 21 Notification-Potenial Defect Involving Fan Assemblies Used in Forced Air Cooled Uninterruptible Power Supply Systems
ML02044001815 January 2002Resubmittal of Final Report No. 41, Report of a Potential Safety Hazard from Dresser-Rand