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4820-01-114-3864

Safety Relief Valve

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Official Item Classification

Name
Safety Relief Valve
(NSN) National Stock Number
4820-01-114-3864
(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
06/16/1981 (45 years ago)

right-hand all ends thread direction, plain (pipe) 1st end connection style, plain,optional end(pipe) 2nd end connection style, 550.0 fahrenheit single response maximum operating temp, poppet flow control device

Specs & Compatibility

Thread Direction

right-hand all ends

Flow Control Device

poppet

Maximum Operating Temp

550.0 fahrenheit single response

Connection Style

plain (pipe) 1st end

Connection Style

plain,optional end(pipe) 2nd end

Valve Operation Method

manual

Connection Type

threaded external pipe 1st end

Connection Type

threaded internal pipe 2nd end

Adjustable Pressure Range

+262.0 to 304.0 pounds per square inch

Maximum Operating Pressure

400.0 pounds per square inch single response

Nominal Thread Size

0.500 inches all ends

Nominal Outside Diameter Tube Accommodated

0.500 inches all ends

Material

copper alloy body

Media For Which Designed

air single response

Style Designator

angle

Thread Series Designator

npt all ends

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

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 4820-01-114-3864?
The FSCG of the NSN 4820-01-114-3864 is 4820
Does the NSN 4820-01-114-3864 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-114-3864 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 4820-01-114-3864 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-114-3864 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 4820-01-114-3864 was assigned to the Federal Catalog?
It was assigned 45 years ago, on Tue, Jun 16, 1981