Safety Relief Valve NSN 4820-00-477-3333

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: 4820-00-477-3333

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Features and Characteristics

Thread Class

2b 2nd end

Thread Direction

Right-hand 2nd end

Flow Control Device

Piston

Bolt Hole Quantity

4 1st end

Connection Style

Gasket sea (boss) 2nd end

Width

2.000 inches 1st end

Length

3.500 inches 1st end

Valve Operation Method

Automatic

Flange Shape

Rectangular with holes 1st end

Connection Type

Threaded internal boss 2nd end

Thread Size

0.438 inches 2nd end

Outside Diameter

1.250 inches 1st end

Thickness

1.188 inches 1st end

Bolt Hole Diameter

0.375 inches 1st end

Center To Center Distance Between Bolt Holes Along Length

2.375 inches 1st end

Flange Face Design

Plain 1st end

Material

Steel

Surface Treatment

Paint

Style Designator

Straight through note: to be used for valve bodies of one section only.

Thread Series Designator

Unf 2nd end

FSC

4820 Nonpowered Valves

NIIN

004773333

NSN

4820004773333

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

M16-18149

Cage Code:

9F512

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 4820-00-477-3333

What are the manufacturers of nsn 4820004773333?

Parker-hannifin Corporation (9F512)

Does this nsn 4820004773333 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820004773333
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 4820004773333 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820004773333 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820004773333?
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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