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919BFEV01-JE0200 Safety Relief Valve

4820-01-670-3721

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Official Item Classification

Name
Safety Relief Valve
Part Number
919BFEV01-JE0200
(NSN) National Stock Number
4820-01-670-3721
(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
02/20/2018 (8 years ago)

right-hand all ends thread direction, disk flow control device, inside spring bonnet type, 1.50 inches 2nd end nominal pipe size accommodated, 1.00 inches 1st end nominal pipe size accommodated

Specs & Compatibility

Nominal Pipe Size Accommodated

1.00 inches 1st end

Nominal Pipe Size Accommodated

1.50 inches 2nd end

Thread Direction

right-hand all ends

Flow Control Device

disk

Bonnet Type

inside spring

Bonnet Attachment Method

threaded

Disk Loading Method

spring

Connection Style

plain (pipe) 1st end

Connection Style

plain,optional end(pipe) 2nd end

Valve Operation Method

automatic

Connection Type

threaded external pipe 1st end

Connection Type

threaded internal pipe 2nd end

Thread Quantity Per Inch

11.5 all ends

Maximum Operating Pressure

700.0 pounds per square inch single response

Nominal Thread Size

1.50 inches 2nd end

Nominal Thread Size

1.00 inches 1st end

Opening Pressure Setting

200.0 pounds per square inch

First Connection Face To Centerline Distance

2.375 inches

Second Connection Face To Centerline Distance

2.875 inches

Material

copper alloy 844 body

Material

copper alloy stem

Material

rubber synthetic seat

Material

steel stainless - use stb000 disk

Material Document And Classification

astm a479-316 assn std single material response disk

Material Document And Classification

astm b584 assn std single material response body

Material Document And Classification

astm b16 assn std single material response stem

Media For Which Designed

liquid 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

Related Hardware Products

Part Number Description
919BFEV01-JE0200 Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-670-3721?
The FSCG of the NSN 4820-01-670-3721 is 4820
Does the NSN 4820-01-670-3721 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-670-3721 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 4820-01-670-3721 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-670-3721 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 4820-01-670-3721 was assigned to the Federal Catalog?
It was assigned 8 years ago, on Tue, Feb 20, 2018