This five piece M style coupler kit includes various couplers and plugs with a 1/4" basic flow size. Milton's M style Kwik Change couplers are made of brass, while the M style Kwik Change couplers are made of case-hardened steel and are plated to resist rust. This collection of couplers, plugs will interchange with all manufacturers who comply with the dimensional requirements of military specification MIL-C-4109. M style couplers and plugs offer up to 300 PSI and has an air flow of 40 SCFM.
Abbott Rubber Technical Data Sheet