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4820-00-446-3560

Safety Relief Valve

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Official Item Classification

Name
Safety Relief Valve
(NSN) National Stock Number
4820-00-446-3560
(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
01/01/1963 (63 years ago)

right-hand 1st end thread direction, disk flow control device, integral bonnet attachment method, 0.375 inches 1st end nominal pipe size accommodated, inside screw bonnet type

Specs & Compatibility

Nominal Pipe Size Accommodated

0.375 inches 1st end

Thread Direction

right-hand 1st end

Flow Control Device

disk

Bonnet Type

inside screw

Bonnet Attachment Method

integral

Disk Loading Method

spring

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

+401.0 to 600.0 pounds per square inch

Maximum Operating Pressure

600.0 pounds per square inch single response

Nominal Thread Size

0.375 inches 1st end

Material

copper alloy body

Material

copper alloy flow control device

Material

copper alloy seat

Material

copper alloy stem

Media For Which Designed

air single response

Style Designator

straight thru

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

Related Hardware Products

Part Number Description
114972PC11 Safety Relief Valve
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FIG 1768 3/8IN Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-00-446-3560?
The FSCG of the NSN 4820-00-446-3560 is 4820
Does the NSN 4820-00-446-3560 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-00-446-3560 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 4820-00-446-3560 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-446-3560 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 4820-00-446-3560 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963