4820-01-130-8752

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Safety Relief Valve

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Official Item Classification

Name: Safety Relief Valve
(NSN) National Stock Number: 4820-01-130-8752
(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: 04/29/1982 (44 years ago)

0.250 inches all ends nominal pipe size accommodated, spring disk loading method, union bonnet attachment method, disk flow control device, inside spring bonnet type

Specs & Compatibility

Nominal Pipe Size Accommodated

0.250 inches all ends

Flow Control Device

disk

Bonnet Type

inside spring

Bonnet Attachment Method

union

Disk Loading Method

spring

Connection Style

streamlined with one brazing ring all ends

Valve Operation Method

automatic or manual

Connection Type

unthreaded internal pipe all ends

Features Provided

pressure tight outlet side

Adjustable Pressure Range

+33.0 to 50.0 pounds per square inch

Material

copper alloy overall

Style Designator

angle

Regulatory Compliance

Precious Metals Indicator

Item does not contain precious metal.

Criticality Code

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

Hazardous Metals Indicator

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
LL2110C1 1-4IN33T50PSISBU	Safety Relief Valve
NMP206M0NELTRIM	Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-130-8752?

The FSCG of the NSN 4820-01-130-8752 is 4820

Does the NSN 4820-01-130-8752 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-130-8752 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 4820-01-130-8752 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-130-8752 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 4820-01-130-8752 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Thu, Apr 29, 1982