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Safety Relief Valve NSN 4820-01-273-1280

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 4820-01-273-1280 NSN: 4820-01-273-1280

Features and Characteristics

Valve Operation Method
Automatic
Connection Type
Flange all ends
Valve Size
1.000 inches
Maximum Operating Pressure
150.0 pounds per square inch single response
Outside Diameter
4.250 inches all ends
Thickness
0.375 inches all ends
First Connection Face To Centerline Distance
3.250 inches
Second Connection Face To Centerline Distance
3.250 inches
Material
Copper alloy body
Style Designator
Err-090
FSC
4820 Nonpowered Valves
NIIN
012731280
NSN
4820012731280

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
20198MM41M
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 4820-01-273-1280
What are the manufacturers of nsn 4820012731280?
Does this nsn 4820012731280 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012731280
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 4820012731280 contain any precious metals?
No precious metal content.
Does nsn 4820012731280 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012731280?
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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