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4820-01-293-8529

Safety Relief Valve

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Official Item Classification

Name
Safety Relief Valve
(NSN) National Stock Number
4820-01-293-8529
(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
02/08/1989 (37 years ago)

threaded bonnet attachment method, right-hand all ends thread direction, poppet flow control device, 250.0 fahrenheit single response maximum operating temp, inside screw bonnet type

Specs & Compatibility

Thread Direction

right-hand all ends

Flow Control Device

poppet

Bonnet Type

inside screw

Bonnet Attachment Method

threaded

Maximum Operating Temp

250.0 fahrenheit single response

Minimum Operating Temp

-40.0 fahrenheit

End Item Identification

f/a-18 hornet aircraft

Connection Style

plain (pipe) all ends

Valve Operation Method

automatic

Connection Type

threaded external pipe all ends

Adjustable Pressure Range

+5.0 to 140.0 pounds per square inch

Nominal Thread Size

0.250 inches all ends

Criticality Code Justification

feat

Opening Pressure Setting

50.0 pounds per square inch

Special Features

to be cleaned iaw mil-c-81302

Material

rubber chloroprene class cr packing

Material

steel comp 303 body

Material Document And Classification

astm a582 assn std single material response body

Media For Which Designed

oxygen, gaseous single response

Surface Treatment

passivate

Surface Treatment Document And Classification

qq-p-35 fed spec single treatment response

Style Designator

straight thru

Thread Series Designator

npt all ends

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
Y

The item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restrictions 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
17M304 Safety Relief Valve
7M304S2N0500C Safety Relief Valve
RV05-64-0500 Safety Relief Valve
RV05-64-50.0 Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-293-8529?
The FSCG of the NSN 4820-01-293-8529 is 4820
Does the NSN 4820-01-293-8529 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-293-8529 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 4820-01-293-8529 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-293-8529 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 4820-01-293-8529 was assigned to the Federal Catalog?
It was assigned 37 years ago, on Wed, Feb 8, 1989