Safety Relief Valve NSN 4820-01-530-7072

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: 4820-01-530-7072

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Features and Characteristics

Flow Control Device

Disk

Bonnet Type

Inside spring

Bonnet Attachment Method

Bolted

Disk Loading Method

Spring

Renewable Seat Ring Type

Pressed-in

Maximum Operating Temp

150.0 degrees fahrenheit single response

Valve Operation Method

Automatic

Flange Shape

Round all ends

Connection Type

Flange all ends

Features Provided

Manual override

Valve Size

3.000 inches

Maximum Operating Pressure

150.0 pounds per square inch single response

First Connection Face To Centerline Distance

5.000 inches

Second Connection Face To Centerline Distance

6.000 inches

Flange Face Design

Plain all ends

Part Name Assigned By Controlling Agency

3" relief valve, type 1792

Special Features

Cast body with integral flanges iaw 20042 -150 lbs, drain iaw ms16142 1/2 tube o.D.; ven iaw ms16142 1/2 tube o.D.

Material

Nickel alloy flow control device

Style Designator

Err-090

Furnished Items And Quantity

2 gasket

Specification Data

81349 - mil-v-20065 government specification and 81349 - mil-f-20042 government specification

Nondefinitive Specification/std Data

A-2 type and c class and 150 class

FSC

4820 Nonpowered Valves

NIIN

015307072

NSN

4820015307072

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

MIL-V-20065

Cage Code:

81349

Status:

MSDS:

Part Number:

20045C91M

Cage Code:

15187

Status:

MSDS:

Part Number:

20045 ASSY 20045C91M

Cage Code:

15187

Status:

MSDS:

Part Number:

20045

Cage Code:

01343

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 4820-01-530-7072

What are the manufacturers of nsn 4820015307072?

Does this nsn 4820015307072 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820015307072
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 4820015307072 contain any precious metals?
No precious metal content.

Does nsn 4820015307072 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820015307072?
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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Certificate of Conformance
Quality Inspected Parts
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