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Safety Relief Valve NSN 4820-01-479-5976

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 4820-01-479-5976 NSN: 4820-01-479-5976

Features and Characteristics

Flow Control Device
Poppet
Maximum Operating Temp
248.0 degrees fahrenheit single response
Minimum Operating Temp
-40.0 degrees fahrenheit
Length
4.380 inches all ends
Valve Operation Method
Hydraulic
Flange Shape
Hexagon all ends
Connection Type
Threaded external tube all ends
Thready Qty Per Inch (tpi)
14 all ends
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.875 inches all ends
Outside Diameter
1.000 inches all ends
Flange Face Design
Recessed with gasket groove all ends
Recess Diameter
0.875 inches all ends
Recess Depth
1.250 inches all ends
Outside Diameter Tube Accommodated
0.875 inches all ends
Special Features
Seal kit 565803 or 566086 required, rated flow 8 us gal per min, housing material is aluminum or steel
Media For Which Designed
Hydraulic fluid, petroleum base single response
Style Designator
Err-090
FSC
4820 Nonpowered Valves
NIIN
014795976
NSN
4820014795976

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
RV-1-10-S-0-36/24
Cage Code:
62983
Status:
A
MSDS:
Part Number:
581992-001
Cage Code:
75906
Status:
A
MSDS:
Part Number:
RV-1-10-S-O-36/24
Cage Code:
32705
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 4820-01-479-5976
What are the manufacturers of nsn 4820014795976?
Does this nsn 4820014795976 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820014795976
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 4820014795976 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820014795976 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820014795976?
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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