You can also find this S-715 air coupler included in these Milton coupler/plug and accessory kits: #711, #S-210, #S-210-14, #S-211, #S-212, #S-218, #S-220, #S-222, #MK506-2, #MK1669-1, #MK506-1, and more.
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. This collection of couplers and plugs: Will interchange with all manufacturers who comply with the dimensional requirements of military specification MIL-C-4109; Offer a maximum airflow of 40 standard cubic feet per minute (except for select Push Button options); Offer a maximum of 300 pounds per square inch; Can withstand a max temperature of 250 degrees Fahrenheit.
Milton (S-715) 1/4" FNPT Female M-Style KWIK-CHANGE® Coupler. Milton Industries is proud to be the creator and leader of the pneumatic industry standard M-Style coupler. This 1/4" FNPT M style brass coupler has a 1/4" basic flow size, offering a maximum of 300 PSI. Comes with Buna-N seal and air flow of 40 SCFM.