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Safety Relief Valve NSN 4820-01-424-0898

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 4820-01-424-0898 NSN: 4820-01-424-0898

Features and Characteristics

Disk Loading Method
Spring
Bolt Hole Quantity
12 all ends
Maximum Operating Temp
150.0 degrees fahrenheit single response
End Application
170' patrol coastal (pc-1) class ships
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Valve Size
6.000 inches
Adjustable Pressure Range
+91.0/+101.0 pounds per square inch
Maximum Operating Pressure
400.0 pounds per square inch single response
Outside Diameter
12.500 inches all ends
Thickness
1.437 inches all ends
First Connection Face To Centerline Distance
8.500 inches
Bolt Hole Diameter
0.875 inches all ends
Second Connection Face To Centerline Distance
9.380 inches
Bolt Circle Diameter
10.625 inches all ends
Flange Face Design
Plain all ends
Material
Iron body
Style Designator
Err-090
FSC
4820 Nonpowered Valves
NIIN
014240898
NSN
4820014240898

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
091K-P 6IN 91T1
Cage Code:
01343
Status:
A
MSDS:
Part Number:
091K-P 6IN 91T101PSI
Cage Code:
01343
Status:
A
MSDS:
Part Number:
C14376 ASSY 091K-P 91T101PSI
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 4820-01-424-0898
What are the manufacturers of nsn 4820014240898?
Does this nsn 4820014240898 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820014240898
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 4820014240898 contain any precious metals?
No precious metal content.
Does nsn 4820014240898 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820014240898?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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