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Safety Relief Valve NSN 4820-01-441-6647

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 4820-01-441-6647 NSN: 4820-01-441-6647

Features and Characteristics

Thread Class
3a all ends
Thread Direction
Right-hand all ends
Valve Discharge Flow Rate
2.0 cubic feet per minute
Maximum Operating Temp
250.0 degrees fahrenheit 2nd response
Minimum Operating Temp
-65.0 degrees fahrenheit
End Application
Aircraft; e-2c hawkeye
Connection Style
G43 external seat for gasket seal (boss) all ends
Valve Operation Method
Automatic
Connection Type
Threaded external boss all ends
Thready Qty Per Inch (tpi)
12 all ends
Thread Size
1.062 inches all ends
Seat Angle
37.0 degrees all ends
Special Features
O/a lg 4.250 in.
Material
Aluminum alloy body
Media For Which Designed
Fuel/oil, hydrocarbon 2nd response
Surface Treatment
Anodize
Style Designator
Err-090
Thread Series Designator
Un all ends
FSC
4820 Nonpowered Valves
NIIN
014416647
NSN
4820014416647

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
15-158-301
Cage Code:
92002
Status:
A
MSDS:
Part Number:
123SCP101
Cage Code:
26512
Status:
A
MSDS:
Part Number:
123SCP101-501
Cage Code:
26512
Status:
A
MSDS:
Part Number:
123SCP101-3
Cage Code:
26512
Status:
A
MSDS:
Part Number:
15-158-201
Cage Code:
92003
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 4820-01-441-6647
What are the manufacturers of nsn 4820014416647?
Does this nsn 4820014416647 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820014416647
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 4820014416647 contain any precious metals?
No precious metal content.
Does nsn 4820014416647 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820014416647?
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
  •   Quality Inspected Parts
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