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4820-01-689-3161

Safety Relief Valve

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Official Item Classification

Name
Safety Relief Valve
(NSN) National Stock Number
4820-01-689-3161
(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
06/15/2020 (6 years ago)

1.500 inches valve size, inside spring bonnet type, bolted bonnet attachment method, automatic valve operation method, 406.0 fahrenheit single response maximum operating temp

Specs & Compatibility

Bonnet Type

inside spring

Bonnet Attachment Method

bolted

Maximum Operating Temp

406.0 fahrenheit single response

Valve Operation Method

automatic

Valve Size

1.500 inches

Maximum Operating Pressure

300.0 pounds per square inch single response

Part Name Assigned By Controlling Agency

relief valve, liquid

Material

bronze body

Material

bronze bonnet

Material

copper alloy stem

Material

rubber butadiene-acrylonitrile class nbr o-ring

Media For Which Designed

liquid single response

Style Designator

angle flanged ends

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
0020-G01-MG0050 Safety Relief Valve
31000-408 Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-689-3161?
The FSCG of the NSN 4820-01-689-3161 is 4820
Does the NSN 4820-01-689-3161 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-689-3161 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 4820-01-689-3161 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-689-3161 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 4820-01-689-3161 was assigned to the Federal Catalog?
It was assigned 6 years ago, on Mon, Jun 15, 2020