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Safety Relief Valve NSN 4820-01-269-7873

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 4820-01-269-7873 NSN: 4820-01-269-7873

Features and Characteristics

Flow Control Device
Disk
Bolt Hole Quantity
4 all ends
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Valve Size
1.500 inches
Adjustable Pressure Range
+184.0/+206.0 pounds per square inch
Outside Diameter
7.000 inches 1st end
Thickness
0.812 inches 2nd end
First Connection Face To Centerline Distance
6.000 inches
Bolt Hole Diameter
0.875 inches 2nd end
Second Connection Face To Centerline Distance
4.875 inches
Bolt Circle Diameter
5.500 inches 1st end
Flange Face Design
Raised straight all ends
Raised Face Height
0.062 inches all ends
Raised Face Diameter
4.125 inches 1st end
Material
Steel comp 316 stem or steel comp 416 stem
Media For Which Designed
Steam single response
Style Designator
Err-090
FSC
4820 Nonpowered Valves
NIIN
012697873
NSN
4820012697873

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
DS30G NMP1549 0
Cage Code:
75954
Status:
A
MSDS:
Part Number:
NMP1549CO2S0184
Cage Code:
15187
Status:
A
MSDS:
Part Number:
DS30G NMP1549 OPT-2 184T206PSI
Cage Code:
75954
Status:
A
MSDS:
Part Number:
DS30G NMP1549 OP
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 4820-01-269-7873
What are the manufacturers of nsn 4820012697873?
Does this nsn 4820012697873 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012697873
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 4820012697873 contain any precious metals?
No precious metal content.
Does nsn 4820012697873 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012697873?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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