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Safety Relief Valve NSN 4820-01-127-3846

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 4820-01-127-3846 NSN: 4820-01-127-3846

Features and Characteristics

Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
End Application
Los angeles class ss (688)
Valve Operation Method
Automatic
Flange Shape
Round all ends
Connection Type
Flange all ends
Valve Size
1.500 inches
Adjustable Pressure Range
+2.0/+13.0 pounds per square inch
Maximum Operating Pressure
150.0 pounds per square inch single response
Outside Diameter
5.000 inches all ends
Thickness
0.690 inches all ends
First Connection Face To Centerline Distance
4.750 inches
Second Connection Face To Centerline Distance
4.750 inches
Flange Face Design
Raised straight all ends
Raised Face Height
0.062 inches all ends
Raised Face Diameter
2.875 inches all ends
Material
Steel seat
Material Specification
Astm a276 type 303 assn standard single material response stem
Style Designator
Err-090
FSC
4820 Nonpowered Valves
NIIN
011273846
NSN
4820011273846

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
20242A91SS
Cage Code:
15187
Status:
A
MSDS:
Part Number:
20242
Cage Code:
01343
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 4820-01-127-3846
What are the manufacturers of nsn 4820011273846?
Does this nsn 4820011273846 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011273846
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 4820011273846 contain any precious metals?
No precious metal content.
Does nsn 4820011273846 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011273846?
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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