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Safety Relief Valve NSN 4820-01-187-1968

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 4820-01-187-1968 NSN: 4820-01-187-1968

Features and Characteristics

Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Union
Maximum Operating Temp
250.0 degrees fahrenheit single response
Valve Operation Method
Automatic or manual
Adjustable Pressure Range
+48.0/+59.0 pounds per square inch
Maximum Operating Pressure
59.0 pounds per square inch single response
Material
Stainless steel stem
Style Designator
Err-090
Furnished Items And Quantity
1 lever
FSC
4820 Nonpowered Valves
NIIN
011871968
NSN
4820011871968

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
R10AF1F111-BM1
Cage Code:
34889
Status:
A
MSDS:
Part Number:
R10AFUU11
Cage Code:
34889
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 4820-01-187-1968
What are the manufacturers of nsn 4820011871968?
Does this nsn 4820011871968 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011871968
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 4820011871968 contain any precious metals?
No precious metal content.
Does nsn 4820011871968 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011871968?
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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