National Item Identification Number
01-196-4230
011964230
4820-01-196-4230
4820-01-196-4230
National Stock Number
Item Name
VALVE,REGULATING,SYSTEM PRESSURE
Federal Supply Class
4820
Description
A value designed to automatically maintain within close limits a predetermined pressure within a closed system regardless of the higher fluctuating or constant inlet pressure. The excess pressure is by-passed to the accumulator or reservoir in lieu of passing through the entire system. It is designed primarily for use in refrigeration and air conditioning systems. Excludes VALVE, REGULATING, FLUID PRESSURE and VALVE, CALIBRATED FLOW.
Commercial and Government Entity Code (Supplier Data)
78062
Reference Numbers (Part Numbers)
20859-001
Required Categories
BODY MATERIAL
FLOW CONTROL DEVICE
FLOW CONTROL DEVICE MATERIAL
MEDIA FOR WHIC
Required Description
ALUMINUM ALLOY, QQ-A-225/8, ALLOY 6061, T651
PISTON, SPRING LOADED
STEEL
HYDR