309527-1

View detailed technical data, stock status, and sourcing information for: 309527-1
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-824-0392

Item Name Code

05488

Assigment Date

08/11/1967 (58 years ago)

450.0 fahrenheit 2nd response maximum operating temp, spring disk loading method, poppet flow control device, -100.0 fahrenheit 1st response maximum operating temp, right-hand 1st end thread direction

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Direction: right-hand 1st end
Flow Control Device: poppet
Disk Loading Method: spring
Maximum Operating Temp: -100.0 fahrenheit 1st response
Maximum Operating Temp: 450.0 fahrenheit 2nd response
Connection Style: plain (pipe) 1st end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Maximum Operating Pressure: 200.0 pounds per square inch single response
Nominal Thread Size: 0.125 inches 1st end
Opening Pressure Setting: 80.0 pounds per square inch
Material: aluminum alloy 2024 overall
Material Document And Classification: qq-a-225/6,t4 fed spec single material response overall
Media For Which Designed: air single response
Surface Treatment: anodize
Style Designator: straight thru
Thread Series Designator: npt 1st end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-254-5797	No Name Available	07/01/1981

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
309527-1	Safety Relief Valve
520A-1M-80	Safety Relief Valve
524A1M-80	Safety Relief Valve
524A1M80	Safety Relief Valve

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 4820-00-824-0392?

The FSCG of the NSN 4820-00-824-0392 is 4820

Does the NSN 4820-00-824-0392 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-824-0392 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 4820-00-824-0392 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-824-0392 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 4820-00-824-0392 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Fri, Aug 11, 1967