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4820-01-424-9108

Safety Relief Valve

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Official Item Classification

Name
Safety Relief Valve
(NSN) National Stock Number
4820-01-424-9108
(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
02/07/1996 (30 years ago)

-40.0 fahrenheit minimum operating temp, right-hand all ends thread direction, 4920-01-388-4387; engine, aircraft, f1 end item identification, spring disk loading method, 248.0 fahrenheit single response maximum operating temp

Specs & Compatibility

Thread Direction

right-hand all ends

Disk Loading Method

spring

Maximum Operating Temp

248.0 fahrenheit single response

Minimum Operating Temp

-40.0 fahrenheit

End Item Identification

4920-01-388-4387; engine, aircraft, f1

Connection Style

plain,optional end(pipe) all ends

Valve Operation Method

automatic

Connection Type

threaded internal pipe all ends

Adjustable Pressure Range

+100.0 to 800.0 pounds per square inch

Maximum Operating Pressure

12000.0 pounds per square inch single response

Nominal Thread Size

0.250 inches all ends

Material

steel corrosion resisting body

Style Designator

straight thru note: to be used for valve bodies of separable sections.

Thread Series Designator

nptf 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
PLV-5460-L Safety Relief Valve
PLY-5460-L Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-424-9108?
The FSCG of the NSN 4820-01-424-9108 is 4820
Does the NSN 4820-01-424-9108 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-424-9108 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 4820-01-424-9108 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-424-9108 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 4820-01-424-9108 was assigned to the Federal Catalog?
It was assigned 30 years ago, on Wed, Feb 7, 1996