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System Pressure Regulating Valve NSN 4820-01-653-0557

Item 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.

NSN 4820-01-653-0557 NSN: 4820-01-653-0557

Features and Characteristics

End Application
P-8a aircraft
Part Name Assigned By Controlling Agency
Valve assembly pi svo pressure regulating
FSC
4820 Nonpowered Valves
NIIN
016530557
NSN
4820016530557

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2677369
Cage Code:
06848
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8481809015
  • NAICS: 332911
  • SITC: 74780
  • Description: Regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-01-653-0557
What are the manufacturers of nsn 4820016530557?
Does this nsn 4820016530557 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820016530557
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.
Does nsn 4820016530557 contain any precious metals?
No precious metal content.
Does nsn 4820016530557 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820016530557?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
35896
FIIG:
A21100
App. Key:
D
Cond. Code:
1
Status:
A

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