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Safety Relief Valve NSN 4820-01-226-0176

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 4820-01-226-0176 NSN: 4820-01-226-0176

Features and Characteristics

Thread Class
3b all ends
Thread Direction
Right-hand all ends
Flow Control Device
Disk
Connection Style
G4 gasket sea (boss) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal boss all ends
Thread Size
0.625 inches all ends
Criticality Code Justification
Zzzy
Material
Stainless steel
Style Designator
Err-090
Thread Series Designator
Unjf all ends
Reference Number Differentiating Characteristics
Cleaning, packaging and marking iaw mil-std-1330d
FSC
4820 Nonpowered Valves
NIIN
012260176
NSN
4820012260176

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
3203540-7
Cage Code:
11243
Status:
A
MSDS:
Part Number:
3203540-7CP
Cage Code:
03950
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 4820-01-226-0176
What are the manufacturers of nsn 4820012260176?
Does this nsn 4820012260176 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012260176
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 4820012260176 contain any precious metals?
No precious metal content.
Does nsn 4820012260176 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012260176?
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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