National Item Identification Number
00-952-8140
009528140
4820-00-952-8140
4820-00-952-8140
National Stock Number
Item Name
VALVE,DIAPHRAGM,STOP
Federal Supply Class
4820
Description
A valve designed specifically so the diaphragm seals the flow stream from the valve operating mechanism. The flow is controlled by the lifting of the diaphragm from or compressing it against an integral seat. For packless diaphragm valves which utilize a diaphragm as packing and a disk to control the flow, see VALVE, Y.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
493CS
Required Categories
MATERIAL
STYLE DESIGNATOR
MAXIMUM OPERATING PRESSURE
MAXIMUM OPERATING TEMP;
Required Description
COPPER ALLOY BODY
PLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE
COPPER A