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Safety Relief Valve NSN 4820-01-621-0828

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 4820-01-621-0828 NSN: 4820-01-621-0828

Features and Characteristics

Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
Valve Operation Method
Manual
Valve Size
1.0 inches
Opening Pressure Setting
30.0 pounds per square inch
First Connection Face To Centerline Distance
4.13 inches
Second Connection Face To Centerline Distance
4.50 inches
Material
Steel uns j92900 body
Style Designator
Angle flanged ends
Furnished Items And Quantity
1 lever
FSC
4820 Nonpowered Valves
NIIN
016210828
NSN
4820016210828

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
27EC34M-140/S4-30PSI
Cage Code:
72352
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 4820-01-621-0828
What are the manufacturers of nsn 4820016210828?
Does this nsn 4820016210828 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820016210828
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 4820016210828 contain any precious metals?
No precious metal content.
Does nsn 4820016210828 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820016210828?
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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