Fed std h28 14 screwthread standards for federal services section 14 buttress screw threads7 deg45. How much overlap, and if there are any differences, i am. Fedstdh28 screwthread standards for federal services. Fedstdh2820b building materials metalworking scribd. All books are in clear copy here, and all files are secure so dont worry about it. There will be no addenda or written interpretations of the requirements of this. The fitting authority pipe fittings and port adapters pipe fittings and port adapters f visual index. Design and use information are also provided when necessary. Read online fed std h28 screwthread standards for federal services book pdf free download link book now. This standard was approved by the commissioner, federal supply. The following is a list of appendices which had been part of fed std h28or. September 23, 2002 the next edition of this standard is scheduled for publication in 2006. Screwthread standards for federal services this standard was approved by the commissioner, federal supply service, general services administration, for the use of all federal agencies. Mcpherson, chairman, interdepartmental screw thread committee.
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