Milton M-Style Kwik Change couplers are made of brass, while M-Style Kwik Change plugs are made of case-hardened steel and are plated to resist rust. The M-Style Kwik Change coupler will interchange with all manufacturers who comply with the dimensional requirements of military specification MIL-C-4109.

• M-STYLE: The industry standard coupler. Milton M-style, ColorFit M-style, + red competitor couplers/plugs are all compatible.
• KWIK-CHANGE®: Interchangeable/compatible with most manufacturers. Easy push to connect.
• NPT: 1/4" male national pipe thread flow size. Durable brass. Buna-N seals.
• MAXIMUM: 40 standard cubic feet per minute (SCFM). 300 PSI inlet pressure. Temperatures up to 250 degrees F.
• INCLUDED IN MILTON M-STYLE KITS: #S-221, S-222, MK1669-1, 683-MCPK.

(1) 1/4" Male NPT M-Style KWIK-CHANGE Coupler