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4820-01-283-7154

Safety Relief Valve

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Official Item Classification

Name
Safety Relief Valve
(NSN) National Stock Number
4820-01-283-7154
(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
08/12/1988 (38 years ago)

150.0 fahrenheit single response maximum operating temp, socket with brazing ring (tube) all ends connection style, bolted bonnet attachment method, inside screw bonnet type, disk flow control device

Specs & Compatibility

Flow Control Device

disk

Bonnet Type

inside screw

Bonnet Attachment Method

bolted

Maximum Operating Temp

150.0 fahrenheit single response

Connection Style

socket with brazing ring (tube) all ends

Valve Operation Method

automatic

Connection Type

unthreaded internal tube all ends

Adjustable Pressure Range

+45.0 to 55.0 pounds per square inch

Maximum Operating Pressure

400.0 pounds per square inch single response

Nominal Outside Diameter Tube Accommodated

0.500 inches all ends

Material

copper alloy body

Material

steel corrosion resisting stem

Style Designator

angle

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
20056 ASSY 20058 Safety Relief Valve
20056 ASSY 20058H41M Safety Relief Valve
20058H41M Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-283-7154?
The FSCG of the NSN 4820-01-283-7154 is 4820
Does the NSN 4820-01-283-7154 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-283-7154 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 4820-01-283-7154 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-283-7154 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 4820-01-283-7154 was assigned to the Federal Catalog?
It was assigned 38 years ago, on Fri, Aug 12, 1988