4820-00-274-4595

Find complete technical information, availability, and procurement data for: 4820-00-274-4595
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-274-4595

Item Name Code

20520

Assigment Date

08/01/1973 (53 years ago)

right-hand all ends thread direction, automatic valve operation method, disk flow control device, plain, optional end (pipe) all ends connection style, 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.

Thread Direction: right-hand all ends
Flow Control Device: disk
Disk Loading Method: spring
Connection Style: plain, optional end (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Mounting Position: horizontal
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches all ends
Special Features: w/hex 11/16 in. across flats
Material: steel overall
Media For Which Designed: hydraulic fluid, mineral base single response
Surface Treatment: cadmium
Surface Treatment Document And Classification: qq-p-416 fed spec all treatment responses
Style Designator: straight thru
Thread Series Designator: npt all ends

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
13207E7100FN12	Restrictor Check Valve
13207E7113	Restrictor Check Valve
6-2-2-05	Restrictor Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-274-4595?

The FSCG of the NSN 4820-00-274-4595 is 4820

Does the NSN 4820-00-274-4595 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-00-274-4595 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 4820-00-274-4595 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-274-4595 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 4820-00-274-4595 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Wed, Aug 1, 1973