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4820-00-019-0465

Safety Relief Valve

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Official Item Classification

Name
Safety Relief Valve
(NSN) National Stock Number
4820-00-019-0465
(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)

Maximum Operating Temp: 300 degrees fahrenheit single response

Specs & Compatibility

Opening Pressure Setting

3050 pounds per square inch

Nominal Thread Size

0.75in. all ends �3/4"

Maximum Operating Pressure

6500 pounds per square inch single response

Connection Type

Threaded internal pipe all ends

Valve Operation Method

Automatic

Connection Style

Plain, optional en (pipe) all ends

Connection Style

G9 plain, optional en (pipe) all ends

Maximum Operating Temp

300 degrees fahrenheit single response

Valve Discharge Flow Rate

3830 cubic feet per minute

Disk Loading Method

Spring

Bonnet Attachment Method

Integral

Bonnet Type

Inside spring

Flow Control Device

Disk

Thread Direction

Right-hand all ends

Material

Stainless steel

Media For Which Designed

Air 1st response

Media For Which Designed

Gas, inert 2nd response

Style Designator

C1 angle

Style Designator

Angle

Thread Series Designator

Npt all ends

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.

Source of Supply Code

S9C

Pseudo Item Name Code

0005488

Related Hardware Products

Part Number Description
C0207-5 Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-00-019-0465?
The FSCG of the NSN 4820-00-019-0465 is 4820
Does the NSN 4820-00-019-0465 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-00-019-0465 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 4820-00-019-0465 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-019-0465 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 4820-00-019-0465 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961
What material is 4820-00-019-0465 made of?
Stainless steel