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Safety Relief Valve NSN 4820-00-165-9632

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 4820-00-165-9632 NSN: 4820-00-165-9632

Features and Characteristics

Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Disk Loading Method
Spring
Maximum Operating Temp
250.0 degrees fahrenheit single response
Connection Style
Plain (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Threaded external pipe all ends
Maximum Operating Pressure
200.0 pounds per square inch single response
Thread Size
0.250 inches all ends
Opening Pressure Setting
25.0 pounds per square inch
Material
Steel comp 303
Material Specification
Fedstd66, aisi303/sae30303 federal standard all material responses
Media For Which Designed
Hydrogen 4th response
Style Designator
Straight through w/baffle
Thread Series Designator
Npt all ends
FSC
4820 Nonpowered Valves
NIIN
001659632
NSN
4820001659632

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
D559T1-2M-25
Cage Code:
91816
Status:
A
MSDS:
Part Number:
C1058S2D25
Cage Code:
81755
Status:
A
MSDS:
Part Number:
D559T2M25
Cage Code:
91816
Status:
A
MSDS:
Part Number:
D539T2M25
Cage Code:
91816
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 4820-00-165-9632
What are the manufacturers of nsn 4820001659632?
Does this nsn 4820001659632 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820001659632
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 4820001659632 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820001659632 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820001659632?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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