FED-STD-H28/9A (NOTICE 1), FEDERAL STANDARDS: SCREW-THREAD STANDARDS FOR FEDERAL SERVICES (SECTION 9) GAS CYLINDER VALVE OUTLET AND INLET THREADS (08 FEB 1995)
FED-STD-H28/9A (NOTICE 1), FEDERAL STANDARDS: SCREW-THREAD STANDARDS FOR FEDERAL SERVICES (SECTION 9) GAS CYLINDER VALVE OUTLET AND INLET THREADS (08 FEB 1995)., FED-STD-H28/9A, dated 24 March 1989, has been reviewed and determined
to be current.