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Safety Relief Valve NSN 4820-01-107-4261

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 4820-01-107-4261 NSN: 4820-01-107-4261

Features and Characteristics

Thread Class
3a all ends
Thread Direction
Right-hand all ends
Flow Control Device
Disk
Maximum Operating Temp
275.0 degrees fahrenheit single response
Connection Style
G46d plain (screw-in cartridge) all ends
Valve Operation Method
Automatic
Connection Type
Threaded cartridge all ends
Adjustable Pressure Range
+100.0/+150.0 pounds per square inch
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.562 inches all ends
Special Features
Operating pressure 20.7 mpa; crack pressure 0.689 mpa to 1.034 mpa; temperature 219.26k to 408.15k; threaded internal tube 9/16-18 unjf-3a; length 35.56 mm
Material
Stainless steel seat
Media For Which Designed
Oil, hydraulic single response
Style Designator
Err-090
Thread Series Designator
Unjf all ends
FSC
4820 Nonpowered Valves
NIIN
011074261
NSN
4820011074261

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
H-993
Cage Code:
06239
Status:
A
MSDS:
Part Number:
13025220
Cage Code:
18876
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 4820-01-107-4261
What are the manufacturers of nsn 4820011074261?
Does this nsn 4820011074261 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011074261
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 4820011074261 contain any precious metals?
No precious metal content.
Does nsn 4820011074261 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011074261?
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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