Safety Relief Valve NSN 4820-01-231-6999

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: 4820-01-231-6999

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Features and Characteristics

Flow Control Device

Disk

Bonnet Type

Inside spring

Bonnet Attachment Method

Bolted

Disk Loading Method

Spring

Bolt Hole Quantity

6 2nd end

Maximum Operating Temp

150.0 degrees fahrenheit single response

Valve Operation Method

Automatic

Flange Shape

Round with holes all ends

Connection Type

Flange all ends

Valve Size

4.000 inches

Maximum Operating Pressure

150.0 pounds per square inch single response

Opening Pressure Setting

150.0 pounds per square inch

Outside Diameter

7.688 inches 1st end

Thickness

0.500 inches all ends

First Connection Face To Centerline Distance

6.625 inches

Bolt Hole Diameter

0.562 inches all ends

Second Connection Face To Centerline Distance

5.500 inches

Bolt Circle Diameter

6.562 inches 1st end

Flange Face Design

Plain all ends

Special Features

Non ferrous; navy flange

Material

Nickel alloy flow control device

Material Specification

Astm b61 assn standard single material response body

Media For Which Designed

Water-oil-gas 2nd response

Style Designator

C1a angle flanged ends

Furnished Items And Quantity

1 lever

Specification Data

81349-mil-v-24332 government specification

Nondefinitive Specification/std Data

B grade

FSC

4820 Nonpowered Valves

NIIN

012316999

NSN

4820012316999

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

46H0-206/M5 2 1

Cage Code:

75954

Status:

MSDS:

Part Number:

MIL-V-24332

Cage Code:

81349

Status:

MSDS:

Part Number:

46HO-206/M5 2 1-

Cage Code:

15187

Status:

MSDS:

Part Number:

46HO-206/M5 2 1-2X4IN 150PSI FLG

Cage Code:

75954

Status:

MSDS:

Part Number:

NMP1106 OPTION A

Cage Code:

75954

Status:

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 4820-01-231-6999

What are the manufacturers of nsn 4820012316999?

Does this nsn 4820012316999 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820012316999
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 4820012316999 contain any precious metals?
No precious metal content.

Does nsn 4820012316999 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820012316999?
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:

Cond. Code:

Status:

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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
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