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Safety Relief Valve NSN 4820-00-529-4181

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 4820-00-529-4181 NSN: 4820-00-529-4181

Features and Characteristics

Thread Class
3b 1st end
Thread Direction
Right-hand 1st end
Disk Loading Method
Spring
Valve Discharge Flow Rate
7.0 gallons per minute
Renewable Seat Ring Type
Pressed-in
Valve Operation Method
Automatic
Connection Type
Threaded internal tube 1st end
Features Provided
Pressure tight outlet side
Thready Qty Per Inch (tpi)
18 1st end
Thread Size
0.562 inches 1st end
Opening Pressure Setting
3500.0 pounds per square inch
Outside Diameter Tube Accommodated
0.375 inches 1st end
Material
Steel seat
Style Designator
Err-090
Supplementary Features
Appl to acft, type c-135
Thread Series Designator
Unf 1st end
FSC
4820 Nonpowered Valves
NIIN
005294181
NSN
4820005294181

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
A50082CD6
Cage Code:
81982
Status:
A
MSDS:
Part Number:
10-3000-7
Cage Code:
81205
Status:
A
MSDS:
Part Number:
11010-1
Cage Code:
75201
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 4820-00-529-4181
What are the manufacturers of nsn 4820005294181?
Does this nsn 4820005294181 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820005294181
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 4820005294181 contain any precious metals?
No precious metal content.
Does nsn 4820005294181 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820005294181?
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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