Home > NRC Library > ADAMS Public Documents
Informs of serious safety problem within US nuclear power generating industry caused by use of flawed thread gaging sys that will allow acceptance & use of dimensionally sub-standard,non-conforming threaded product.
Accession Number: ML20069A348
Date Released: Friday, October 25, 2024
Package Contents
The following links on this page are to Adobe Portable Document Format (PDF) files. To obtain a free viewer for displaying this format, see our Plugins, Viewers, and Other Tools.
- ML20069B492 - Informs of serious safety problem within US nuclear power generating industry caused by use of flawed thread gaging sys that will allow acceptance & use of dimensionally sub-standard,non-conforming threaded product. (1 page(s), 3/8/1994)
- ML20069A365 - Ack receipt of response to ltr dtd 940308 re nuclear industry acceptance & use of dimensionally sub-std, non-conforming threaded product. (3 page(s), 4/12/1994)
- ML20069B510 - Notifies of typo in top paragraph on page 2 of 940425 ltr re threaded-product std used within industry.Copy of pertinent pages re procurement of "Socket Cap,Shoulder & Set Screws (Inch Series),per ASME/ANSI B1.18.3 - 1986 encl. (8 page(s), 4/29/1994)
- ML20069B517 - Forwards draft, "Strawman" info notice per 940308 discussion re problem of dimensionally non-conforming,sub-standard threaded product use within nuclear power industry,for use. (3 page(s), 3/17/1994)
- ML20069B527 - Responds to 940308 ltr to Chairman Selin re use of certain equipment for identifying dimensionally nonconforming fasteners in nuclear power industry.No evidence to indicate failures directly attributable to nonconforming fasteners. (3 page(s), 3/25/1994)
- ML20069A346 - Confirms meeting on 940504 in Gaithersburg,MD to discuss concerns re acceptability of sys 21 to gauge class 1 & 2 fasteners for use in commercial nuclear power plants. (3 page(s), 4/29/1994)
- ML20069B533 - Comments on 940308 visit re nuclear industry use of flawed thread gaging sys,Sys 21,that will allow acceptance & use of dimensionally sub-standard,nonconforming threaded product. (2 page(s), 3/14/1994)
- ML20069B541 - Forwards matl re fastener insp & equipment concerning use of ASME B1.3M-Sys 21 thread insp & of opinion that use of thread insp unsafe & use has never been proven to have played any roll in any fastener failure. (3 page(s), 3/14/1994)
