Safety Relief Valve NSN 4820-01-050-2819

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: 4820-01-050-2819

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Features and Characteristics

Thread Class

3a all ends

Thread Direction

Right-hand all ends

Flow Control Device

Disk

Bonnet Type

Inside spring

Bonnet Attachment Method

Bolted

Disk Loading Method

Spring

Renewable Seat Ring Type

Threaded

Maximum Operating Temp

150.0 degrees fahrenheit single response

End Application

Ship, ohio class ss (trident)

Connection Style

G50 external seat for gasket seal (boss) all ends

Valve Operation Method

Automatic

Connection Type

Threaded external boss all ends

Thready Qty Per Inch (tpi)

12 all ends

Adjustable Pressure Range

+76.0/+90.0 pounds per square inch

Maximum Operating Pressure

750.0 pounds per square inch single response

Thread Size

2.250 inches all ends

Material

Steel comp 303 stem

Material Specification

Qq-s-764, type 303-canceled federal specification single material response stem

Media For Which Designed

Air single response

Style Designator

Err-090

Thread Series Designator

Un all ends

Specification Data

81349-mil-v-22549 government specification

Nondefinitive Specification/std Data

1500 rating and 1.000 in. Size

FSC

4820 Nonpowered Valves

NIIN

010502819

NSN

4820010502819

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:

MSDS:

Part Number:

20315LS51SS

Cage Code:

15187

Status:

MSDS:

Part Number:

20315

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 4820-01-050-2819

What are the manufacturers of nsn 4820010502819?

Does this nsn 4820010502819 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820010502819
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 4820010502819 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820010502819 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820010502819?
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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