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4820-00-482-2441

Safety Relief Valve

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Official Item Classification

Name
Safety Relief Valve
(NSN) National Stock Number
4820-00-482-2441
(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
01/18/1971 (55 years ago)

integral bonnet attachment method, inside spring bonnet type, disk flow control device, spring disk loading method, right-hand 1st end thread direction

Specs & Compatibility

Thread Direction

right-hand 1st end

Flow Control Device

disk

Bonnet Type

inside spring

Bonnet Attachment Method

integral

Disk Loading Method

spring

Maximum Operating Temp

300.0 fahrenheit single response

Connection Style

plain (pipe) 1st end

Valve Operation Method

automatic

Connection Type

threaded external pipe 1st end

Features Provided

pressure tight outlet side

Adjustable Pressure Range

+25.0 to 200.0 pounds per square inch

Maximum Operating Pressure

200.0 pounds per square inch single response

Nominal Thread Size

0.250 inches 1st end

Material

aluminum body

Material

aluminum seat

Material

aluminum stem

Material

copper alloy and silicon flow control device

Media For Which Designed

air single response

Surface Treatment

anodize

Style Designator

angle

Thread Series Designator

nptf 1st end

Replacement For

Part Number Description
4820-00-786-7446 No Name Available 09/15/1971

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

Related Hardware Products

Part Number Description
59-02A-105 Safety Relief Valve
59-2A Safety Relief Valve
RV01A1N105 Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-00-482-2441?
The FSCG of the NSN 4820-00-482-2441 is 4820
Does the NSN 4820-00-482-2441 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-00-482-2441 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 4820-00-482-2441 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-482-2441 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 4820-00-482-2441 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Mon, Jan 18, 1971