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Safety Relief Valve NSN 4820-01-114-7543

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 4820-01-114-7543 NSN: 4820-01-114-7543

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Features and Characteristics

Thread Direction
Right-hand all ends
Flow Control Device
Needle
Bonnet Type
Inside spring
Bonnet Attachment Method
Integral
Disk Loading Method
Spring
End Application
M939 series 5 ton truck
Connection Style
G9 plain, optional en (pipe) all ends
Valve Operation Method
Air
Connection Type
Threaded internal pipe all ends
Mounting Facility
Bracket
Thread Size
0.250 inches all ends
Criticality Code Justification
Feat
Special Features
Weapon system essential
Media For Which Designed
Air single response
Surface Treatment Specification
Tt-c-490 federal specification 1st treatment response and tt-p-636 federal standard 1st treatment response and tt-e-529, color 24087 military specification 1st treatment response
Style Designator
Err-090
Thread Series Designator
Anpt all ends
FSC
4820 Nonpowered Valves
NIIN
011147543
NSN
4820011147543

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
11669104
Cage Code:
19207
Status:
A
MSDS:
Part Number:
279505N
Cage Code:
06853
Status:
A
MSDS:
Part Number:
279505
Cage Code:
06853
Status:
A
MSDS:
Part Number:
KN31000
Cage Code:
06721
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 4820-01-114-7543
What are the manufacturers of nsn 4820011147543?
Does this nsn 4820011147543 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011147543
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 4820011147543 contain any precious metals?
No precious metal content.
Does nsn 4820011147543 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011147543?
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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