Safety Relief Valve NSN 4820-01-129-4544

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: 4820-01-129-4544

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Features and Characteristics

Flow Control Device

Disk

Bonnet Type

Inside spring

Bonnet Attachment Method

Bolted

Disk Loading Method

Spring

Maximum Operating Temp

150.0 degrees fahrenheit single response

End Application

Los angeles class ss (688)

Valve Operation Method

Automatic

Flange Shape

Round all ends

Connection Type

Flange all ends

Valve Size

0.500 inches

Adjustable Pressure Range

+35.0/+44.0 pounds per square inch

Maximum Operating Pressure

150.0 pounds per square inch single response

Outside Diameter

3.500 inches 1st end

Thickness

0.438 inches all ends

First Connection Face To Centerline Distance

3.250 inches

Second Connection Face To Centerline Distance

3.250 inches

Flange Face Design

Raised straight 1st end

Raised Face Height

0.062 inches all ends

Raised Face Diameter

1.375 inches all ends

Material

Steel flow control device

Material Specification

Astm a216, grade wcb assn standard single material response body

Media For Which Designed

Liquid, ingested single response

Style Designator

Err-090

FSC

4820 Nonpowered Valves

NIIN

011294544

NSN

4820011294544

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

20248

Cage Code:

15187

Status:

MSDS:

Part Number:

20248G41M

Cage Code:

15187

Status:

MSDS:

Part Number:

CAMNN04SCC-A045

Cage Code:

5P967

Status:

MSDS:

Part Number:

CAMNN04SCC

Cage Code:

65079

Status:

MSDS:

Part Number:

D60FF-04 1/2 INCH

Cage Code:

65079

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 4820-01-129-4544

What are the manufacturers of nsn 4820011294544?

Does this nsn 4820011294544 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820011294544
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 4820011294544 contain any precious metals?
No precious metal content.

Does nsn 4820011294544 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820011294544?
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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