Summary Information (click on this NSN number for detailed information: 2915-00-009-0422)
Diaphragm, also referenced with federal logistics item name code 40088:
An item constructed of one or more layers of thin flexible material, either laminated or separated, designed to form a tight seal between the chambers of a valve, and to transmit pressure inducted motion to a valve disk either directly or through a mechanical linkage. the surface of the item must be formed or molded to have a beaded or rolled edge, ribs or any other raised surfaces. the item may contain bolt holes and/or center holes. excludes diaphra gm, valve, flat and gasket.