National Item Identification Number
01-236-7658
012367658
4820-01-236-7658
4820-01-236-7658
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)
03950
NAVAL INVENTORY CONTROL POINT
MECHANICSBURG
5450 CARLISLE PIKE
2020
MECHANICSBURG
PA
17055
717-605-3500
Reference Numbers (Part Numbers)
2921173-1
2921173-1DS
Required Categories
SPECIAL TEST FEATURES
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS
CRITICA
Required Description
CRITICAL ITEM FOR SAFETY AND SURVIVAL OF DEEP SUBMERGENCE RESEARCH AND RESCUE VE