4820-00-933-1525

Find complete technical information, availability, and procurement data for: 4820-00-933-1525
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-933-1525

Item Name Code

20520

Assigment Date

03/01/1967 (59 years ago)

1.000 inches 1st end nominal pipe size accommodated, sturgeon class ssn (637) end item identification, piston flow control device, automatic valve operation method, spring disk loading method

Product Characteristics

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

Nominal Pipe Size Accommodated: 1.000 inches 1st end
Flow Control Device: piston
Disk Loading Method: spring
End Item Identification: sturgeon class ssn (637)
Valve Operation Method: automatic
Connection Type: unthreaded internal pipe 1st end
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Media For Which Designed: fuel/oil, hydrocarbon single response

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-884-5899	No Name Available	04/17/1968

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
2640-694X1ASSYD	Restrictor Check Valve
SS845-2180959 A	Restrictor Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-933-1525?

The FSCG of the NSN 4820-00-933-1525 is 4820

Does NSN 4820-00-933-1525 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 4820-00-933-1525 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-933-1525 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 4820-00-933-1525 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Wed, Mar 1, 1967