ORDER BY PHONE (619) 331-9599      Contact Us      Request Quote
facebook
NationalStockNumber.org

System Pressure Regulating Valve NSN 4820-01-291-8539

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 4820-01-291-8539 NSN: 4820-01-291-8539

Features and Characteristics

Body Material
Bronze, mil-b-16541
Body Style
Straight thru
First End Connection Type
Plain face flange
First End Style Designator
Plain
First End Flange Shape Style
Round w/ bolt holes
First End Flange Thickness
1.310 inches
First End Bolt Hole Quantity
14
First End Bolt Hole Diameter
0.688 inches
First End Bolt Circle Diameter
11.062 inches
Second End Relationship With First End
Identical
Face To Face Distance
25.790 inches
Flow Control Device
Disk
End Connection Quantity
2
FSC
4820 Nonpowered Valves
NIIN
012918539
NSN
4820012918539

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
68549-01
Cage Code:
86184
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 4820-01-291-8539
What are the manufacturers of nsn 4820012918539?
Does this nsn 4820012918539 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012918539
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 4820012918539 contain any precious metals?
No precious metal content.
Does nsn 4820012918539 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012918539?
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

What do you get when you order from nationalstocknumber.org?

  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
ASA Aviation Suppliers Association Member Logo
NQA AS 9120 Suppliers Logo
ITAR Registered International Traffic in Arms Regulations Logo