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Safety Relief Valve NSN 4820-01-128-1611

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 4820-01-128-1611 NSN: 4820-01-128-1611

Features and Characteristics

Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Maximum Operating Temp
150.0 degrees fahrenheit single response
End Application
Los angeles class ss (688)
Valve Operation Method
Automatic
Connection Type
Flange all ends
Valve Size
3.000 inches
Adjustable Pressure Range
+89.0/+106.0 pounds per square inch
Maximum Operating Pressure
210.0 pounds per square inch single response
First Connection Face To Centerline Distance
6.000 inches
Second Connection Face To Centerline Distance
6.375 inches
Material
Steel
Style Designator
Err-090
FSC
4820 Nonpowered Valves
NIIN
011281611
NSN
4820011281611

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
9657-6-81SS
Cage Code:
01343
Status:
A
MSDS:
Part Number:
20244
Cage Code:
15187
Status:
A
MSDS:
Part Number:
20244-L-91S
Cage Code:
15187
Status:
A
MSDS:
Part Number:
20244L91SS
Cage Code:
15187
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 4820-01-128-1611
What are the manufacturers of nsn 4820011281611?
Does this nsn 4820011281611 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011281611
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 4820011281611 contain any precious metals?
No precious metal content.
Does nsn 4820011281611 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011281611?
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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  •   Quality Inspected Parts
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