Safety Relief Valve NSN 4820-01-088-7460

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: 4820-01-088-7460

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Features and Characteristics

Flow Control Device

Disk

Disk Loading Method

Spring

Bolt Hole Quantity

4 all ends

Valve Operation Method

Automatic

Flange Shape

Round with holes all ends

Connection Type

Flange all ends

Features Provided

Pressure tight outlet side

Valve Size

0.500 inches

Maximum Operating Pressure

275.0 pounds per square inch single response

Opening Pressure Setting

111.0 pounds per square inch

Outside Diameter

3.500 inches all ends

Thickness

0.438 inches all ends

First Connection Face To Centerline Distance

3.250 inches

Bolt Hole Diameter

0.500 inches all ends

Second Connection Face To Centerline Distance

3.250 inches

Bolt Circle Diameter

2.375 inches all ends

Flange Face Design

Raised with curve and radius all ends

Raised Face Height

0.062 inches all ends

Raised Face Diameter

1.375 inches all ends

Material

Steel flow control device

Material Specification

Qq-s-763, class 303 federal specification single material response seat

Media For Which Designed

Steam single response

Style Designator

Err-090

Test Data Document

81349-mil-s-901 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).

FSC

4820 Nonpowered Valves

NIIN

010887460

NSN

4820010887460

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

20039H91SS

Cage Code:

15187

Status:

MSDS:

Part Number:

20039

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 4820-01-088-7460

What are the manufacturers of nsn 4820010887460?

Pentair Valves & Controls Us Lp (15187)
Anderson Greenwood Lp (01343)

Does this nsn 4820010887460 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820010887460
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 4820010887460 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820010887460 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820010887460?
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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