FED-STD-H28A, FEDERAL STANDARD: SCREW-THREAD STANDARDS FOR FEDERAL SERVICES (28 DEC 1994)
FED-STD-H28A, FEDERAL STANDARD: SCREW-THREAD STANDARDS FOR FEDERAL SERVICES (28 DEC 1994)., This standard includes the basic screw thread dimensional and acceptability requirements for common screw thread forms and applications. Design and use information are also provided when necessary. Specific requirements for particular screw threads, gages, etc. are covered by detailed standard sections.