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D524TP-4D-25 Safety Relief Valve

4820-01-304-5534

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Official Item Classification

Name
Safety Relief Valve
Part Number
D524TP-4D-25
(NSN) National Stock Number
4820-01-304-5534
(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
07/20/1989 (37 years ago)

poppet flow control device, threaded bonnet attachment method, right-hand all ends thread direction, 3a all ends thread class, inside screw bonnet type

Specs & Compatibility

Thread Class

3a all ends

Thread Direction

right-hand all ends

Flow Control Device

poppet

Bonnet Type

inside screw

Bonnet Attachment Method

threaded

Maximum Operating Temp

400.0 fahrenheit single response

Connection Style

plain (tube) all ends

Valve Operation Method

automatic

Connection Type

threaded external tube all ends

Maximum Operating Pressure

200.0 pounds per square inch single response

Nominal Thread Size

0.438 inches all ends

Opening Pressure Setting

25.0 pounds per square inch

Material

steel corrosion resisting body

Media For Which Designed

air 1st response

Media For Which Designed

carbon dioxide 2nd response

Media For Which Designed

helium 3rd response

Style Designator

straight thru

Thread Series Designator

unjf 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
D524TP-4D-25 Safety Relief Valve
ES9998 Safety Relief Valve
ES9998-03 Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-304-5534?
The FSCG of the NSN 4820-01-304-5534 is 4820
Does the NSN 4820-01-304-5534 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-304-5534 require demilitarization?
"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"
Does NSN 4820-01-304-5534 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-304-5534 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 4820-01-304-5534 was assigned to the Federal Catalog?
It was assigned 37 years ago, on Thu, Jul 20, 1989