Safety Relief Valve NSN 4820-01-262-8427

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: 4820-01-262-8427

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Related NSN

Features and Characteristics

Flow Control Device

Disk

Bonnet Type

Inside spring

Bonnet Attachment Method

Union

Disk Loading Method

Spring

Maximum Operating Temp

180.0 degrees fahrenheit single response

Connection Style

Socket with brazing ring (tube) err-100

Valve Operation Method

Automatic

Connection Type

Unthreaded internal tube all ends

Adjustable Pressure Range

+20.0/+35.0 pounds per square inch

Maximum Operating Pressure

400.0 pounds per square inch single response

Outside Diameter Tube Accommodated

1.250 inches all ends

Material

Copper alloy bodyrubber butadiene-acrylonitrile class nbr flow control devicestainless steel seatstainless steel stem

Media For Which Designed

Air 1st response

Style Designator

Err-090

Furnished Items And Quantity

2 nut and 2 tailpiece and 1 lever

FSC

4820 Nonpowered Valves

NIIN

012628427

NSN

4820012628427

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

19871

Cage Code:

59560

Status:

MSDS:

Part Number:

19871-30

Cage Code:

59560

Status:

MSDS:

Part Number:

CV9S4501-026

Cage Code:

80064

Status:

MSDS:

Part Number:

YB238F223

Cage Code:

35795

Status:

MSDS:

Part Number:

C-3650

Cage Code:

35795

Status:

MSDS:

Part Number:

1385PL2385F 20T35PSI C3650

Cage Code:

35795

Status:

MSDS:

Part Number:

1385PL2385K44F 20T35PSI

Cage Code:

35795

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 4820-01-262-8427

What are the manufacturers of nsn 4820012628427?

Does this nsn 4820012628427 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820012628427
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 4820012628427 contain any precious metals?
No precious metal content.

Does nsn 4820012628427 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820012628427?
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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