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Safety Relief Valve NSN 4820-01-544-7440

Item Description

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

NSN 4820-01-544-7440 NSN: 4820-01-544-7440

Features and Characteristics

Thread Direction
Right-hand all ends
Connection Style
Plain (tube) err-100
Connection Type
Threaded internal tube 2nd end
Thread Size
0.250 inches all ends
Opening Pressure Setting
70.0 bar
Material
Stainless steel body
Style Designator
Err-090
FSC
4820 Nonpowered Valves
NIIN
015447440
NSN
4820015447440

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
SS-4R3A5/70BAR
Cage Code:
18034
Status:
A
MSDS:
Part Number:
550750-01/8 ITEM 3
Cage Code:
U5552
Status:
A
MSDS:
Part Number:
550750100015
Cage Code:
U5552
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8481400000
  • NAICS: 332911
  • SITC: 74740
  • Description: Safety or relief valves
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-01-544-7440
What are the manufacturers of nsn 4820015447440?
Does this nsn 4820015447440 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820015447440
A valve designed to automatically release excessive pressures. it is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. it is not designed for regulation of continuously fluctuating loads. it may be inline or cartridge (manifold) design. excludes valve (1), relief, pressure and temperature.
Does nsn 4820015447440 contain any precious metals?
No precious metal content.
Does nsn 4820015447440 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820015447440?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
05488
FIIG:
A046B0
App. Key:
AP
Cond. Code:
1
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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