FED-STD-H28/7A (NOTICE 1), FEDERAL STANDARDS: SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 7 PIPE THREADS, GENERAL PURPOSE (12 OCT 1989)
FED-STD-H28/7A (NOTICE 1), FEDERAL STANDARDS: SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 7 PIPE THREADS, GENERAL PURPOSE (12 OCT 1989)., FED-STD-H28/7A, dated 25 October 1984, has been reviewed and determined to be current.