National Item Identification Number
01-291-8539
012918539
4820-01-291-8539
4820-01-291-8539
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)
86184
Reference Numbers (Part Numbers)
68549-01
Required Categories
BODY MATERIAL
FLOW CONTROL DEVICE
END CONNECTION QUANTITY
FIRST END CONNECTIO
Required Description
BRONZE, MIL-B-16541
DISK
2
PLAIN FACE FLANGE
G1 PLAIN
3 ROUND
14
1.310 IN