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4820-01-357-3403

Safety Relief Valve

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Official Item Classification

Name
Safety Relief Valve
(NSN) National Stock Number
4820-01-357-3403
(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
04/21/1992 (34 years ago)

automatic or manual valve operation method, threaded external pipe all ends connection type, disk flow control device, plain (pipe) all ends connection style, right-hand all ends thread direction

Specs & Compatibility

Thread Direction

right-hand all ends

Flow Control Device

disk

Connection Style

plain (pipe) all ends

Valve Operation Method

automatic or manual

Connection Type

threaded external pipe all ends

Nominal Thread Size

0.375 inches all ends

Opening Pressure Setting

100.0 pounds per square inch

Material

copper alloy body

Media For Which Designed

air single response

Style Designator

straight thru

Thread Series Designator

npt all ends

Furnished Items And Quantity

1 lever

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
3D73280PK FIND 30 Safety Relief Valve
4701K28 Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-357-3403?
The FSCG of the NSN 4820-01-357-3403 is 4820
Does the NSN 4820-01-357-3403 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-357-3403 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 4820-01-357-3403 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-357-3403 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 4820-01-357-3403 was assigned to the Federal Catalog?
It was assigned 34 years ago, on Tue, Apr 21, 1992