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Safety Relief Valve NSN 4820-01-653-1250

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 4820-01-653-1250 NSN: 4820-01-653-1250

Features and Characteristics

Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Threaded
Disk Loading Method
Spring
Bolt Hole Quantity
3 all ends
Maximum Operating Temp
425.00 degrees fahrenheit 2nd response
Valve Operation Method
Manual
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Valve Size
0.50 inches
Adjustable Pressure Range
+13.00 to 23.00 pounds per square inch
Maximum Operating Pressure
150.00 pounds per square inch 1st response
Outside Diameter
3.25 inches all ends
First Connection Face To Centerline Distance
2.50 inches
Bolt Hole Diameter
0.563 inches all ends
Second Connection Face To Centerline Distance
2.38 inches
Bolt Circle Diameter
2.44 inches all ends
Flange Face Design
Recessed straight all ends
Part Name Assigned By Controlling Agency
Valve, angle relief
Material
Steel comp 316 stem
Media For Which Designed
Liquid single response
Style Designator
Angle flanged ends
FSC
4820 Nonpowered Valves
NIIN
016531250
NSN
4820016531250

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
BASGG03SCC-A100
Cage Code:
5P967
Status:
A
MSDS:
Part Number:
D50-0129
Cage Code:
5P967
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 4820-01-653-1250
What are the manufacturers of nsn 4820016531250?
Does this nsn 4820016531250 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820016531250
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 4820016531250 contain any precious metals?
No precious metal content.
Does nsn 4820016531250 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820016531250?
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
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