Safety Relief Valve NSN 4820-01-448-1419

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: 4820-01-448-1419

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Features and Characteristics

Flow Control Device

Disk

Bolt Hole Quantity

4 all ends

Maximum Operating Temp

300.0 degrees fahrenheit 2nd response

End Application

Strategic sealift conversion ships class

Valve Operation Method

Automatic or manual

Flange Shape

Round with holes all ends

Connection Type

Flange all ends

Mounting Facility

Bracket

Valve Size

1.000 inches

Adjustable Pressure Range

+45.0/+55.0 pounds per square inch

Maximum Operating Pressure

285.0 pounds per square inch 1st response

Outside Diameter

4.250 inches all ends

Thickness

0.438 inches all ends

First Connection Face To Centerline Distance

3.500 inches

Bolt Hole Diameter

0.625 inches all ends

Second Connection Face To Centerline Distance

3.250 inches

Bolt Circle Diameter

3.125 inches all ends

Flange Face Design

Raised straight all ends

Raised Face Height

0.062 inches all ends

Raised Face Diameter

2.000 inches all ends

Special Features

Valve conforms to mil-v-24332 grade a, (except disk, seat and stem); stainless steel trim; flange per ansi b16.5, 150 lb, 1 in.

Material

Stainless steel stem

Material Specification

Astm a582 type 303 assn standard single material response seat

Style Designator

Err-090

Furnished Items And Quantity

1 wrench

FSC

4820 Nonpowered Valves

NIIN

014481419

NSN

4820014481419

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

CNSNN05SEE

Cage Code:

5P967

Status:

MSDS:

Part Number:

20327H51SS

Cage Code:

01343

Status:

MSDS:

Part Number:

20327 PART 20327H51SS

Cage Code:

15187

Status:

MSDS:

Part Number:

TYPE FF 2751 1.00 IN.

Cage Code:

15187

Status:

MSDS:

Part Number:

20327

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 4820-01-448-1419

What are the manufacturers of nsn 4820014481419?

Does this nsn 4820014481419 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820014481419
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 4820014481419 contain any precious metals?
No precious metal content.

Does nsn 4820014481419 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820014481419?
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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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
Quality Fast Service