Safety Relief Valve NSN 4820-01-487-8265

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: 4820-01-487-8265

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Features and Characteristics

Pipe Size Accommodated

2.000 inches all ends

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

165.0 degrees fahrenheit single response

End Application

Los angeles class ssn (688); virginia class cgn (41)

Connection Style

Socket err-100

Valve Operation Method

Automatic

Connection Type

Unthreaded internal pipe all ends

Features Provided

Bonnet packing

Adjustable Pressure Range

+401.0/+557.0 pounds per square inch

Part Name Assigned By Controlling Agency

2" relief valve type 1771-t

Special Features

This "03" variation of cage 01343 dwg sw122 valve deviates from standard valve per cage 15187 dwg 17055 (certification data sheet); deviation includes spring p/n 05344-200ys-292 and pressure range of 401 to 557 psig; both end connections include tailpiece plus union nut according to qq-n-281; nha valve ball 0

Material

Plastic polytetrafluoroethylene packing

Material Specification

Qq-n-288 comp a military specification single material response seat

Media For Which Designed

Air single response

Style Designator

Err-090

Furnished Items And Quantity

2 tailpiece and 2 nut and 1 locking device

FSC

4820 Nonpowered Valves

NIIN

014878265

NSN

4820014878265

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

SW122D03E0401,CDS17055

Cage Code:

15187

Status:

MSDS:

Part Number:

SW122

Cage Code:

01343

Status:

MSDS:

Part Number:

17055

Cage Code:

15187

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 4820-01-487-8265

What are the manufacturers of nsn 4820014878265?

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

Does this nsn 4820014878265 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820014878265
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 4820014878265 contain any precious metals?
No precious metal content.

Does nsn 4820014878265 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820014878265?
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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