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4820-01-119-0519

Safety Relief Valve

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Official Item Classification

Name
Safety Relief Valve
(NSN) National Stock Number
4820-01-119-0519
(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
09/16/1981 (45 years ago)

automatic valve operation method, disk flow control device, socket (tube) all ends connection style, unthreaded internal tube all ends connection type, spring disk loading method

Specs & Compatibility

Flow Control Device

disk

Disk Loading Method

spring

Connection Style

socket (tube) all ends

Valve Operation Method

automatic

Connection Type

unthreaded internal tube all ends

Features Provided

pressure tight outlet side

Opening Pressure Setting

77.0 pounds per square inch

Nominal Outside Diameter Tube Accommodated

1.125 inches all ends

Material

copper alloy overall

Style Designator

straight thru note: to be used for valve bodies of separable sections.

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
022-05764 Safety Relief Valve
B518-JYR-77 Safety Relief Valve
B518-JYT-77 Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-119-0519?
The FSCG of the NSN 4820-01-119-0519 is 4820
Does the NSN 4820-01-119-0519 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-119-0519 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 4820-01-119-0519 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-119-0519 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 4820-01-119-0519 was assigned to the Federal Catalog?
It was assigned 45 years ago, on Wed, Sep 16, 1981