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Safety Relief Valve NSN 4820-01-320-8184

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 4820-01-320-8184 NSN: 4820-01-320-8184

Features and Characteristics

Flow Control Device
Diaphragm or stem
Bolt Hole Quantity
4 all ends
End Application
Valves, nonpowered
Valve Operation Method
Manual
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Maximum Operating Pressure
3500.0 pounds per square inch single response
Criticality Code Justification
Zzzy
Outside Diameter
3.500 inches all ends
Face To Face Distance
3.500 inches
Thickness
0.340 inches all ends
Bolt Circle Diameter
2.380 inches all ends
Flange Face Design
Plain all ends
Style Designator
Err-090
Furnished Items And Quantity
1 handwheel
Reference Number Differentiating Characteristics
Cleaned in accordance with mil-i-52211
FSC
4820 Nonpowered Valves
NIIN
013208184
NSN
4820013208184

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
D841-4060
Cage Code:
96101
Status:
A
MSDS:
Part Number:
D841-4060CP
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 4820-01-320-8184
What are the manufacturers of nsn 4820013208184?
Does this nsn 4820013208184 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820013208184
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 4820013208184 contain any precious metals?
No precious metal content.
Does nsn 4820013208184 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820013208184?
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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