5-524

View detailed technical data, stock status, and sourcing information for: 5-524
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-753-3853

Item Name Code

16991

Assigment Date

01/01/1962 (64 years ago)

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

manual valve operation method, two way two port 90 degree plug turn flow style, threaded internal pipe all ends connection type, plain, optional end (pipe) all ends connection style, right-hand all ends 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 all ends
Flow Style: two way two port 90 degree plug turn
Connection Style: plain, optional end (pipe) all ends
Valve Operation Method: manual
Connection Type: threaded internal pipe all ends
Nominal Thread Size: 0.250 inches all ends
Part Name Assigned By Controlling Agency: cock,plug:air supply,vehicular air brake system
Material: copper alloy overall
Media For Which Designed: air single response
Thread Series Designator: nptf all ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2530-00-337-0052	No Name Available	01/01/1963

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
1646M5	Plug Cock
19018P11	Plug Cock
2277252	Plug Cock
400806	Plug Cock
4820007533853	Plug Cock
5-524	Plug Cock
641433	Plug Cock
7533853	Plug Cock
913430	Plug Cock
A-A-52448	Plug Cock
A52448-1	Plug Cock
KC6417	Plug Cock
MS500046-1	Plug Cock
TC15-1380	Plug Cock

FAQs

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

What is the FSCG of the NSN 4820-00-753-3853?

The FSCG of the NSN 4820-00-753-3853 is 4820

Does the NSN 4820-00-753-3853 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-753-3853 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 4820-00-753-3853 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-753-3853 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 4820-00-753-3853 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962