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Safety Relief Valve NSN 4820-01-168-1877

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 4820-01-168-1877 NSN: 4820-01-168-1877

Features and Characteristics

Flow Control Device
Disk
Disk Loading Method
Spring
Maximum Operating Temp
180.0 degrees fahrenheit single response
End Application
Los angeles class ss (688)
Connection Style
Socket with brazing ring (tube) err-100
Valve Operation Method
Automatic
Connection Type
Unthreaded internal tube 1st end
Adjustable Pressure Range
+4101.0/+5400.0 pounds per square inch
Maximum Operating Pressure
6000.0 pounds per square inch single response
Outside Diameter Tube Accommodated
0.750 inches 1st end
Special Features
With viton packing
Material
Steel comp 316 body
Material Specification
Fed standard 66, aisi 304/sae 30304 federal standard single material response seat
Media For Which Designed
Air 1st response
Style Designator
Err-090
FSC
4820 Nonpowered Valves
NIIN
011681877
NSN
4820011681877

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MIL-V-22549
Cage Code:
81349
Status:
A
MSDS:
Part Number:
D49-60UU-1/2-3/4
Cage Code:
5P967
Status:
A
MSDS:
Part Number:
9524 W/VITON PKG 4101T5400PSI
Cage Code:
01343
Status:
A
MSDS:
Part Number:
189RCS168X9524W/VIT4101T5400
Cage Code:
01343
Status:
A
MSDS:
Part Number:
D49-60UU-12 1/2IN
Cage Code:
65079
Status:
A
MSDS:
Part Number:
9524
Cage Code:
01343
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 4820-01-168-1877
What are the manufacturers of nsn 4820011681877?
Does this nsn 4820011681877 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011681877
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 4820011681877 contain any precious metals?
No precious metal content.
Does nsn 4820011681877 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011681877?
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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  •   Quality Inspected Parts
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