2803GS

Foster 3 Series 1/4″ x 1/8″ FPT Steel Automatic Slim Profile Socket couplers are designed for rigid mounting that allows a simple push-to-connect operation, constructed of a solid brass body and a steel valve. The “FM” 3 thru 6 Series are mechanically interchangeable with similar industrial interchange couplings made by other manufacturers and accept plugs that conform to MIL-C4109-F. Plugs used with the “FM” Series are the Industrial Interchange plugs that are found on pages 275, 280, 286, and 288 of this catalog. FM Series 3 and 5 couplers comply with A-A-59439. Working Pressure: 300 psig, vacuum to 27″ Hg Temp Range: -40° to 250°F