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490986PCV13 Safety Relief Valve

4820-00-287-4622

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Official Item Classification

Name
Safety Relief Valve
Part Number
490986PCV13
(NSN) National Stock Number
4820-00-287-4622
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
05488
(FIIG) Federal Item Identification Guide
A046B0
Date
01/01/1961 (65 years ago)

0.500 inches 2nd end nominal pipe size accommodated, 0.500 inches 1st end nominal pipe size accommodated, right-hand 1st end thread direction, right-hand 2nd end thread direction, disk or stem flow control device

Specs & Compatibility

Nominal Pipe Size Accommodated

0.500 inches 1st end

Nominal Pipe Size Accommodated

0.500 inches 2nd end

Thread Direction

right-hand 1st end

Thread Direction

right-hand 2nd end

Flow Control Device

disk or stem

Bonnet Type

inside spring

Bonnet Attachment Method

threaded

Disk Loading Method

spring

Connection Style

plain (pipe) 2nd end

Connection Style

plain,optional end(pipe) 1st end

Valve Operation Method

automatic or manual

Connection Type

threaded external pipe 1st end

Connection Type

threaded internal pipe 2nd end

Features Provided

valve stem lock shield and pressure tight outlet side

Maximum Operating Pressure

132.0 pounds per square inch single response

Nominal Thread Size

0.500 inches 1st end

Nominal Thread Size

0.500 inches 2nd end

Opening Pressure Setting

132.0 pounds per square inch

Special Features

as differentiated by pressure

Material

copper alloy body

Material

steel stem

Media For Which Designed

air single response

Style Designator

angle

Thread Series Designator

npt 2nd end

Thread Series Designator

npt 1st end

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0005488

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Frequently Asked Questions

What is the FSCG of the NSN 4820-00-287-4622?
The FSCG of the NSN 4820-00-287-4622 is 4820
Does the NSN 4820-00-287-4622 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-00-287-4622 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 4820-00-287-4622 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-287-4622 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 4820-00-287-4622 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961