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4820-00-005-7393

Safety Relief Valve

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Official Item Classification

Name
Safety Relief Valve
(NSN) National Stock Number
4820-00-005-7393
(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
06/11/1972 (54 years ago)

Thread Size: 0.25", High pressure relief valve, plastic material, Maximum Operating Pressure: 1000 pounds per square inch single response, Opening Pressure Setting: 5000 pounds per square inch

Specs & Compatibility

Style Designator

Straight thru

Media For Which Designed

Water-oil-gas single response

Style Designator

Err-090

Flow Control Device

Disk

Thread Direction

Right-hand all ends

Material

Steel body

Maximum Operating Temp

150 degree fahrenheit single response

Connection Style

G9 plain, optional end (pipe) all ends

Connection Style

Plain, optional end (pipe) all ends

Valve Operation Method

Automatic

Connection Type

Threaded internal pipe all ends

Nominal Thread Size

0.25 inches all ends

Maximum Operating Pressure

1000 pounds per square inch single response

Opening Pressure Setting

5000 pounds per square inch

Special Features

High pressure relief valve

Material

Plastic polyamide flow control device

Thread Series Designator

Npt all ends

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

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
3835-23 Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-00-005-7393?
The FSCG of the NSN 4820-00-005-7393 is 4820
Does the NSN 4820-00-005-7393 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-00-005-7393 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 4820-00-005-7393 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-005-7393 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 4820-00-005-7393 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Sun, Jun 11, 1972