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4820-01-650-5158

Safety Relief Valve

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Official Item Classification

Name
Safety Relief Valve
(NSN) National Stock Number
4820-01-650-5158
(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
12/07/2015 (10 years ago)

air valve operation method, spring disk loading method, 185.00 fahrenheit single response maximum operating temp, 0.25 inches 1st end nominal pipe size accommodated, disk flow control device

Specs & Compatibility

Nominal Pipe Size Accommodated

0.25 inches 1st end

Flow Control Device

disk

Disk Loading Method

spring

Maximum Operating Temp

185.00 fahrenheit single response

Valve Operation Method

air

Connection Type

threaded external pipe 1st end

Nominal Thread Size

0.25 inches 1st end

Opening Pressure Setting

1000.00 pounds per square inch

Material

aluminum alloy body

Thread Series Designator

npt 1st end

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
330S-A01-KC1000 Safety Relief Valve
BB-8001989-01(23) Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-650-5158?
The FSCG of the NSN 4820-01-650-5158 is 4820
Does the NSN 4820-01-650-5158 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-650-5158 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 4820-01-650-5158 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-650-5158 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 4820-01-650-5158 was assigned to the Federal Catalog?
It was assigned 10 years ago, on Mon, Dec 7, 2015