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Safety Relief Valve NSN 4820-01-188-1900

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 4820-01-188-1900 NSN: 4820-01-188-1900

Features and Characteristics

Thread Class
2a all ends
Thread Direction
Right-hand all ends
Flow Control Device
Stem
Connection Style
G46a plain (tube) all ends
Connection Type
Threaded external tube all ends
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.875 inches all ends
Special Features
Level 1 requirements do not apply
Material
Nickel alloy body
Thread Series Designator
Unf all ends
FSC
4820 Nonpowered Valves
NIIN
011881900
NSN
4820011881900

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
SS845-2050985ASSYE
Cage Code:
80064
Status:
A
MSDS:
Part Number:
2640-602ASSYE
Cage Code:
96169
Status:
A
MSDS:
Part Number:
SS845-2050985
Cage Code:
80064
Status:
A
MSDS:
Part Number:
2640-602
Cage Code:
96169
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 4820-01-188-1900
What are the manufacturers of nsn 4820011881900?
Does this nsn 4820011881900 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011881900
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 4820011881900 contain any precious metals?
No precious metal content.
Does nsn 4820011881900 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011881900?
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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